First direct observation of Spin-textures in Topological Insulators : Spin-resolved ARPES as a probe of topological quantum spin Hall effect and Berry's phase

Abstract

A topologically ordered material is characterized by a rare quantum organization of electrons that evades the conventional spontaneously broken symmetry based classification of condensed matter. Exotic spin transport phenomena such as the dissipationless quantum spin Hall effect have been speculated to originate from a novel topological order whose identification requires a spin sensitive measurement, which does not exist to this date in any system (neither in Hg(Cd)Te quantum wells nor in the topological insulator BiSb). Using Mott polarimetry, we probe the spin degrees of freedom of these quantum spin Hall states and demonstrate that topological quantum numbers are uniquely determined from spin texture imaging measurements. Applying this method to the Bi{1-x}Sb{x} series, we identify the origin of its novel order and unusual chiral properties. These results taken together constitute the first observation of surface electrons collectively carrying a geometrical quantum (Berry's) phase and definite chirality (mirror Chern number, n_M =-1), which are the key electronic properties for realizing topological computing bits with intrinsic spin Hall-like topological phenomena. Our spin-resolved results not only provides the first clear proof of a topological insulating state in nature but also demonstrate the utility of spin-resolved ARPES technique in measuring the quantum spin Hall phases of matter.

15 pages, 3 figures, first Submitted to SCIENCE on July-22, 2008

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Cited by in corpus (594)

• Topological Insulators
• Topological insulators and superconductors
• Discovery (theoretical prediction and experimental observation) of a large-gap topological-insulator class with spin-polarized single-Dirac-cone on the surface
• Topological insulators and superconductors: ten-fold way and dimensional hierarchy
• First observation of Spin-Momentum Helical Locking in Bi2Se3 and Bi2Te3, demonstration of Topological-Order at 300K and a realization of topological-transport-regime
• Topological Insulator Materials
• Colloquium: Topological Band Theory
• Crossover of Three-Dimensional Topological Insulator of Bi2Se3 to the Two-Dimensional Limit
• Topological Crystalline Insulators in the SnTe Material Class
• Observation of a topological 3D Dirac semimetal phase in high-mobility Cd3As2
• The quantum spin Hall effect and topological insulators
• Intrinsic magnetic topological insulators in van der Waals layered MnBi${}_2$Te${}_4$-family materials
• Topological Surface States Protected From Backscattering by Chiral Spin Texture
• Dirac materials
• Spin-Injection Spectroscopy of a Spin-Orbit Coupled Fermi Gas
• An equivalent expression of Z2 Topological Invariant for band insulators using Non-Abelian Berry's connection
• Higher-Order Topology in Bismuth
• Topological Defects and Gapless Modes in Insulators and Superconductors
• Hexagonal Warping Effects in the Surface States of Topological Insulator Bi${}_2$Te${}_3$
• Experimental demonstration of the topological surface states protected by the time-reversal symmetry
• Detecting Topological Currents in Graphene Superlattices
• A new platform for topological quantum phenomena : Topological Insulator states in thermoelectric Heusler-related ternary compounds
• A topological crystalline insulator (TCI) phase via topological phase transition and crystalline mirror symmetry
• The space group classification of topological band insulators
• Topological Band Engineering of Graphene Nanoribbons
• Three-Dimensional Topological Insulators
• Control over topological insulator photocurrents with light polarization
• Massive Dirac fermions and spin physics in an ultrathin film of topological insulator
• Topological origin of subgap conductance in insulating bilayer graphene
• Two-dimensional Dirac fermions in a topological insulator: transport in the quantum limit
• A topological insulator surface under strong Coulomb, magnetic and disorder perturbations
• Computing topological invariants without inversion symmetry
• Topological States on the Gold Surface
• Probing Neutral Majorana Fermion Edge Modes with Charge Transport
• Electronic structure of quantum materials studied by angle-resolved photoemission spectroscopy
• STM imaging of electronic waves on the surface of Bi${}_2$Te${}_3$: topologically protected surface states and hexagonal warping effects
• Giant Magneto-optical Kerr Effect and Universal Faraday Effect in Thin-film Topological Insulators
• Manipulation of Majorana fermion, Andreev reflection and Josephson current on topological insulators
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• Direct visualization of current induced spin accumulation in topological insulators
• Electric Field Induced Topological Phase Transition in Two-Dimensional Few-layer Black Phosphorus
• Coexistence of the topological state and a two-dimensional electron gas on the surface of Bi2Se3
• Theory and classification of interacting 'integer' topological phases in two dimensions: A Chern-Simons approach
• Bulk Fermi surface coexistence with Dirac surface state in Bi${}_2$Se${}_3$: a comparison of photoemission and Shubnikov-de Haas measurements
• Impurity effect on weak anti-localization in the topological insulator Bi2Te3
• Topological Phase Transition and Texture Inversion in a Tunable Topological Insulator
• Observation of topological order in a Superconducting doped topological insulator (based on the Bi2Se3 class)
• Wannier representation of Z_2 topological insulators
• Z2Pack: Numerical Implementation of Hybrid Wannier Centers for Identifying Topological Materials
• Unconventional superconductivity on a topological insulator
• Fermi velocity engineering in graphene by substrate modification
• Strong surface scattering in ultrahigh mobility Bi2Se3 topological insulator crystals
• One-dimensional Topological Edge States of Bismuth Bilayers
• Effective continuous model for surface states and thin films of three dimensional topological insulators
• Interacting topological insulators: a review
• Quantum interference in macroscopic crystals of non-metallic Bi${}_2$Se${}_3$
• Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques
• Ultrafast Optical Excitation of a Persistent Surface-State Population in the Topological Insulator Bi2Se3
• Crossover between weak localization and weak antilocalization in magnetically doped topological insulator
• Thickness-independent transport channels in topological insulator Bi2Se3 thin films
• Classification of topological insulators and superconductors in the presence of reflection symmetry
• Stable nontrivial Z2 topology in ultrathin Bi (111) films: a first-principles study
• Anomalous Finite Size Effects on Surface States in the Topological Insulator Bi${}_2$Se${}_3$
• Spatial Fluctuations of Helical Dirac Fermions on the Surface of Topological Insulators
• Topological Insulator Nanowires and Nanoribbons
• Observation of optical vortices in momentum space
• Topological Insulators and Mott Physics from the Hubbard Interaction
• Electromagnetic and gravitational responses and anomalies in topological insulators and superconductors
• Light-induced emergent phenomena in 2D materials and topological materials
• Angle-resolved photoemission spectroscopy and its application to topological materials
• Metabolizable Bi2Se3 Nanoplates: Biodistribution, Toxicity, and Uses for Cancer Radiation Therapy and Imaging
• Electron interaction-driven insulating ground state in Bi2Se3 topological insulators in the two dimensional limit
• Tunable Surface Conductivity in Bi2Se3 Revealed in Diffusive Electron Transport
• Spin currents and spin superfluidity
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• Symmetry protected topological phases from decorated domain walls
• Surface States of Topological Crystalline Insulators in IV-VI Semiconductors
• Direct Evidence for the Dirac-Cone Topological Surface States in Ternary Chalcogenide TlBiSe2
• Interaction-driven topological insulators on the kagome and the decorated honeycomb lattices
• Strain-induced partially flat band, helical snake states, and interface superconductivity in topological crystalline insulators
• Proximity effect at the superconductor - topological insulator interface
• Observation of a warped helical spin-texture in Bi${}_2$Se${}_3$ from circular dichroism angle-resolved photoemission spectroscopy
• Transmission of topological surface states through surface barriers
• Topological Surface States and Dirac point tuning in ternary Bi2Te2Se class of topological insulators
• Topological-Metal to Band-Insulator Transition in (Bi1-xInx)2Se3 Thin Films
• Single-Dirac-Cone topological surface states in TlBiSe2 class of Topological Insulators
• Topological quantum materials from the viewpoint of chemistry
• Topological Materials Discovery from Crystal Symmetry
• Angular-dependent oscillations of the magnetoresistance in Bi_2Se_3 due to the three-dimensional bulk Fermi surface
• High-Field Shubnikov-de Haas Oscillations in the Topological Insulator Bi${}_2$Te${}_2$Se
• Photoelectron spin-flipping and texture manipulation in a topological insulator
• Non-linear second-order topological insulators
• Topological surface state under graphene for two-dimensional spintronics in air
• Observation of inverse spin Hall effect in bismuth selenide
• Quantum Oscillations in a Topological Insulator Bi${}_2$Te${}_2$Se with Large Bulk Resistivity (6 $\Omega$cm)
• Quantum oscillations in a topological insulator Bi_{1-x}Sb_{x}
• Two-dimensional surface charge transport in topological insulators
• Particle-hole symmetry and interaction effects in the Kane-Mele-Hubbard model
• Bilinear magneto-electric resistance as a probe of three-dimensional spin texture in topological surface states
• Signatures of a Pressure-Induced Topological Quantum Phase Transition in BiTeI
• Direct mapping of the spin-filtered surface bands of a three-dimensional quantum spin Hall insulator
• Second Order Topological Superconductivity in $\pi$-Junction Rashba Layers
• Direct Optical Coupling to an Unoccupied Dirac Surface State in the Topological Insulator Bi${}_2$Se${}_3$
• Photonic spin lattices: symmetry constraints for skyrmion and meron topologies
• Electrical detection of the spin polarization due to charge flow in the surface state of the topological insulator Bi_1.5 Sb_0.5 Te_1.7 Se_1.3
• Selective probing of photo-induced charge and spin dynamics in the bulk and surface of a topological insulator
• Disordered Topological Insulators: A Non-Commutative Geometry Perspective
• Elemental Topological Insulator with a Tunable Fermi Level: Strained α-Sn on InSb(001)
• Nonlinear optical probe of tunable surface electrons on a topological insulator
• Robustness of topologically protected surface states in layering of Bi2Te3 thin films
• Topological insulators in three dimensions from spontaneous symmetry breaking
• Transport Properties of Topological Insulators: Band Bending, Bulk Metal-to-Insulator Transition, and Weak Anti-Localization
• Transport in three-dimensional topological insulators: theory and experiment
• Simultaneous quantization of bulk conduction and valence states through adsorption of nonmagnetic impurities on Bi2Se3
• Interaction-induced criticality in Z_2 topological insulators
• Interplay between Superconductivity and Ferromagnetism on a Topological Insulator
• Distinguishing bulk and surface electron-phonon coupling in the topological insulator Bi2Se3 using time-resolved photoemission spectroscopy
• Surface dominated transport in single crystalline nanoflake devices of topological insulator Bi1.5Sb0.5Te1.8Se1.2
• Nonlinear planar Hall effect
• Spin-orbital Texture in Topological Insulators
• Electronic Structures and Surface States of Topological Insulator Bi${}_{1-x}$Sb${}_x$
• Quantum frequency doubling in the topological insulator Bi2Se3
• Probing topological quantum matter with scanning tunnelling microscopy
• Topological states in two-dimensional optical lattices
• Topological insulators and fractional quantum Hall effect on the ruby lattice
• Angle-resolved photoemission spectroscopy
• The surface states of topological insulators - Dirac fermion in curved two dimensional spaces
• Spin-Polarized Tunneling Study on Spin-Momentum Locking in the Topological Insulators
• Spin polarization and texture of the Fermi arcs in the Weyl Fermion semimetal TaAs
• Magnetic Doping and Kondo Effect in Bi2Se3 Nanoribbons
• Tuning the conductance of Dirac fermions on the surface of a topological insulator
• Surface-edge state and half quantized Hall conductance in topological insulators
• Widespread spin polarization effects in photoemission from topological insulators
• All-optical probe of three-dimensional topological insulators based on high-harmonic generation by circularly-polarized laser fields
• Quasiparticle scattering in two dimensional helical liquid
• Gapless interface states between topological insulators with opposite Dirac velocities
• Enhancement of bulk photovoltaic effect in topological insulators
• Experimental verification of PbBi${}_2$Te${}_4$ as a 3D topological insulator
• Quasiparticle Interference on the Surface of the Topological Insulator Bi${}_2$Te${}_3$
• Competing Exotic Topological Insulator Phases in Transition Metal Oxides on the Pyrochlore Lattice with Distortion
• Electronic phase transitions of bismuth under strain from relativistic self-consistent GW calculations
• Stability of the Bi2Se3(111) topological state: electron-phonon and -defect scattering
• Surface Scattering via Bulk Continuum States in the 3D Topological Insulator Bi${}_2$Se${}_3$
• Direct measurement of quantum phases in graphene via photoemission spectroscopy
• Realization of a vertical topological p-n junction in epitaxial $\mathrm{S}{\mathrm{b}}_2\mathrm{T}{\mathrm{e}}_3/B{\mathrm{i}}_2\mathrm{T}{\mathrm{e}}_3$ heterostructures
• Metallic surface electronic state in half-Heusler compounds RPtBi (R = Lu, Dy, Gd)
• Topological phases and phase transitions on the square-octagon lattice
• Weak antilocalization in HgTe quantum wells and topological surface states: Massive versus massless Dirac fermions
• Topological Insulators with Commensurate Antiferromagnetism
• $4\pi$ periodic Andreev bound states in a Dirac semimetal
• Full electrical control of Charge and Spin conductance through Interferometry of Edge States in Topological Insulators
• $\mbox{Bi}_{1}\mbox{Te}_{1}$: a dual topological insulator
• Magneto-optical and Magneto-electric Effects of Topological Insulators in Quantizing Magnetic Fields
• Quantum oscillations and Berry's phase in topological insulator surface states with broken particle-hole symmetry
• Spin Polarization of Photoelectrons from Topological Insulators
• Strong-field physics in three-dimensional topological insulators
• Spin-Polarized Surface Resonances Accompanying Topological Surface State Formation
• Photoemission of Bi${}_2$Se${}_3$ with Circularly Polarized Light: Probe of Spin Polarization or Means for Spin Manipulation?
• Helicity dependent photocurrent in electrically gated (Bi,Sb)_2Te_3 thin films
• Probing two topological surface bands of Sb2Te3 by spin-polarized photoemission spectroscopy
• Orbital-Selective Spin Texture and its Manipulation in a Topological Insulator
• Switching of the topologically trivial and non-trivial quantum phase transitions in compressed 1T-TiTe2: Experiments and Theory
• Photocurrent Response of Topological Insulator Surface States
• Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
• Oscillatory angular dependence of the magnetoresistance in a topological insulator Bi_{1-x}Sb_{x}
• Theoretical search for half-Heusler topological insulators
• Catalysis and activation of magic states in fault tolerant architectures
• Spin-helical transport in normal and superconducting topological insulators
• Intrinsic Electron-Phonon Resistivity in Bi2Se3 in the Topological Regime
• Ultrafast Electron Dynamics in the Topological Insulator Bi2Se3 Studied by Time-Resolved Photoemission Spectroscopy
• Effect of finite temperature and uniaxial anisotropy on the Casimir effect with three-dimensional topological insulators
• Tunable Josephson diode effect on the surface of topological insulators
• Topological phase transitions in the non-Abelian honeycomb lattice
• Band resolved imaging of photocurrent in a topological insulator
• Signatures of Dirac fermion-mediated magnetic order
• Shift charge and spin photocurrents in Dirac surface states of topological insulator
• Non-trivial Surface-band Dispersion on Bi(111)
• Topological crystalline semimetals in non-symmorphic lattices
• Direct Observation of the Topological Surface States in Lead-Based Ternary Telluride Pb(Bi1-xSbx)2Te4
• Ultrafast spin polarization control of Dirac fermions in topological insulators
• The Structural Influence on the Rashba-type Spin-Splitting in Surface Alloys
• A first principles TDDFT framework for spin and time-resolved ARPES in periodic systems
• A study on correlation effects in two dimensional topological insulators
• Parallel field magnetoresistance in topological insulator thin films
• A high-efficiency spin-resolved phototemission spectrometer combining time-of-flight spectroscopy with exchange-scattering polarimetry
• Momentum resolved spin dynamics of bulk and surface excited states in the topological insulator $\mathrm{B}{\mathrm{i}}_2\mathrm{S}{\mathrm{e}}_3$
• Topological insulator in a Bi-Bi${}_2$Se${}_3$ infinitely adaptive superlattice phase
• A band structure scenario for the giant spin-orbit splitting observed at the Bi/Si(111) interface
• Observation of a Highly Spin Polarized Topological Surface State in GeBi${}_2$Te${}_4$
• Terahertz Kerr and Reflectivity Measurements on the Topological Insulator Bi2Se3
• Magnetic anisotropy effects on quantum impurities in superconducting host
• Symmetries, Dimensions, and Topological Insulators: the mechanism behind the face of the Bott clock
• Noncommutative geometry for three-dimensional topological insulators
• Termination dependent topological surface states of the natural superlattice phase Bi${}_4$Se${}_3$
• Local invariants identify topology in metals and gapless systems
• Simulating and Detecting the Quantum Spin Hall Effect in Kagomé Optical Lattice
• Band Structure Engineering of Multinary Chalcogenide Topological Insulators
• Ultrahigh efficient spin-orbit torque magnetization switching in all-sputtered topological insulator - ferromagnet multilayers
• Topological magnetic crystalline insulators and co-representation theory
• Superconductivity on the surface of topological insulators and in two-dimensional noncentrosymmetric materials
• Quasiparticle interference on type-I and type-II Weyl semimetal surfaces: a review
• Classification of Crystalline Topological Insulators and Superconductors with Point Group Symmetries
• Dynamical delocalization of Majorana edge states by sweeping across a quantum critical point
• Classification of topological crystalline insulators based on representation theory
• Elucidating the role of hyperfine interactions on organic magnetoresistance using deuterated aluminium tris(8-hydroxyquinoline)
• Spin-Resolved Topology and Partial Axion Angles in Three-Dimensional Insulators
• Direct Observation of Interband Spin-Orbit Coupling in a Two-Dimensional Electron System
• Three-dimensional superconductors with hybrid higher order topology
• The effects of interaction on quantum spin Hall insulators
• Quantum anomalous Hall states in the $p$-orbital honeycomb optical lattices
• Topological phases in layered pyrochlore oxide thin films along the [111] direction
• Andreev bound states and current-phase relations in three-dimensional topological insulators
• Topological invariants for Standard Model: from semi-metal to topological insulator
• Electric field driven quantum phase transition between band insulator and topological insulator
• Observation of warping effects in the band and angular momentum structures of topological insulator Bi2Te3
• Quantum impurity on the surface of a topological insulator
• Dislocation as a bulk probe of higher-order topological insulators
• Quantum Simulation of a Topological Mott Insulator with Rydberg Atoms in a Lieb Lattice
• Singular robust room-temperature spin response from topological Dirac fermions
• Topological phase transitions in (Bi${}_{1-x}$In${}_x{)}_2$Se${}_3$ and (Bi${}_{1-x}$Sb${}_x{)}_2$Se${}_3$
• Surface collective modes in the topological insulators Bi${}_2$Se${}_3$ and Bi${}_{0.5}$Sb${}_{1.5}$Te${}_{3-x}$Se${}_x$
• Many-body effects and possible superconductivity in the 2D metallic surface states of 3D topological insulators
• Electron-hole pairing in topological insulator thin film
• Magnetotransport of Dirac Fermions on the surface of a topological insulator
• Anomalous Acoustic Plasmon Mode from Topologically Protected States
• Surface band structure of ${\text{Bi}}_{1-x}{\text{Sb}}_x$(111)
• Conversion rules for Weyl points and nodal lines in topological media
• Half quantum spin Hall effect on the surface of weak topological insulators
• The electronic structure of clean and adsorbate-covered Bi2Se3: an angle-resolved photoemission study
• Engineering Long-Lived Collective Dark States in Spin Ensembles
• Operando imaging of all-electric spin texture manipulation in ferroelectric and multiferroic Rashba semiconductors
• Magnetic Proximity Effect and Interlayer Exchange Coupling of Ferromagnetic/Topological Insulator/Ferromagnetic Trilayer
• Bi2Te1.6S1.4 - a Topological Insulator in the Tetradymite Family
• Spin-texture and magnetic anisotropy of Co adsorbed Bi${}_2$Se${}_3$ topological insulator surfaces
• Momentum-space signatures of Berry flux monopoles in a Weyl semimetal
• Fractional Topological Insulators: from sliding Luttinger Liquids to Chern-Simons theory
• Two-Dimensional Lattice Model for the Surface States of Topological Insulators
• AFM manipulation of gold nanowires to build electrical circuits
• Dislocation charges reveal two-dimensional topological crystalline invariants
• Topological insulators in the quaternary chalcogenide compounds and ternary famatinite compounds
• Sub-picosecond spin dynamics of excited states in the topological insulator Bi${}_2$Te${}_3$
• Anomalous Hall effect from gapped nodal line in Co2FeGe Heusler compound
• Strain-engineering the topological type-II Dirac semimetal NiTe${}_2$
• Spin Hall photoconductance in a 3D topological insulator at room temperature
• Growth of quantum well films of topological insulator Bi2Se3 on insulating substrate
• Topological Edge States with Zero Hall Conductivity in a Dimerized Hofstadter Model
• A 3D topological insulator quantum dot for optically controlled quantum memory and quantum computing
• Stabilization of Quantum Spin Hall Effect by Designed Removal of Time-Reversal Symmetry of Edge States
• Hexagonal warping on optical conductivity of surface states in Topological Insulator Bi_{2}Te_{3}
• Lattice distortion effects on topological phases in (LaNiO${}_3$)${}_2$/(LaAlO${}_3$)${}_N$ heterostructures grown along the [111] direction
• Junction between surfaces of two topological insulators
• Fractional spin textures in the frustrated magnet SrCr${}_{9p}$Ga${}_{12-9p}$O${}_{19}$
• Time reversal invariant topological superconductivity in correlated non-centrosymmetric systems
• Majorana Excitations, Spin- and Mass Currents on the Surface of Topological Superfluid ${}^3$He-B
• Spin-Charge Locking and Tunneling into a Helical Metal
• Disorder enabled band structure engineering of a topological insulator surface
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• Strong Correlation Effects on Topological Quantum Phase Transitions in Three Dimensions
• Tunable quantum spin Hall effect in double quantum wells
• Coexisting edge states and gapless bulk in topological states of matter
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• Topologically non-trivial magnon bands in artificial square spin ices subject to Dzyaloshinskii-Moriya interaction
• STM imaging of a bound state along a step on the surface of the topological insulator Bi${}_2$Te${}_3$
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• Models of Superconducting Cu:Bi2Se3: single versus two-band description
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• Strong Linear Dichroism in Spin-Polarized Photoemission from Spin-Orbit-Coupled Surface States
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• Quasiparticle Interference on the Surface of Topological Crystalline Insulator Pb(1-x)Sn(x)Se
• Electronic structure near an impurity and terrace on the surface of a 3-dimensional topological insulator
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• Measurement of spin Chern numbers in quantum simulated topological insulators
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• Resolving the Dirac Cone on the Surface of Bi2Te3 Topological Insulator Nanowires by Field-Effect Measurements
• Tenfold Topology of Crystals: Unified classification of crystalline topological insulators and superconductors
• Creating topological interfaces and detecting chiral edge modes in a 2D optical lattice
• Topological phases in Iridium oxide superlattices: quantized anomalous charge or valley Hall insulators
• Strain driven onset of non-trivial topological insulating states in Zintl Sr${}_{2}X$ compounds ($X$=Pb, Sn)
• Spin current in topologically trivial and nontrivial noncentrosymmetric superconductors
• Probing surface states of topological insulator: Kondo effect and Friedel oscillation under magnetic field
• 1/4 is the new 1/2 when topology is intertwined with Mottness
• Ab initio study of $Z_2$ topological phases in perovskite (111) $({\text{SrTiO}}_3{)}_7/({\text{SrIrO}}_3{)}_2$ and $({\text{KTaO}}_3{)}_7/({\text{KPtO}}_3{)}_2$ multilayers
• Spin-orbital groundstates of Superconducting doped topological insulators (A Majorana Platform)
• Ballistic geometric resistance resonances in a single surface of a topological insulator
• Spin-polarized tunneling current through a thin film of topological insulator in a parallel magnetic field
• Anisotropy effects on Rashba and topological insulator spin polarized surface states: a unified phenomenological description
• Monopole Current and Unconventional Hall Response on Topological Insulator
• Quantum spin Hall effect induced by non-magnetic and magnetic staggered potentials
• Bulk Signatures of Pressure-Induced Band Inversion and Topological Phase Transitions in Pb${}_{1-x}$Sn${}_x$Se
• Synthesis and characterisation of nanomaterials of the topological crystalline insulator SnTe
• Transferring MBE-grown topological insulator films to arbitrary substrates and Metal-insulator transition via Dirac gap
• Topological Insulators and Quantum Spin Liquids
• Effect of Electron-electron Interaction on Surface Transport in Three-Dimensional Topological Insulators
• The momentum and photon energy dependence of the circular dichroic photoemission in the bulk Rashba semiconductors BiTeX (X = I, Br, Cl)
• Quantum Hall effect in a singly and doubly connected 3D topological insulator
• Anomalous Josephson effect in d-wave superconductor junctions on TI surface
• Tunnel junction of helical edge states: Determining and controlling spin-preserving and spin-flipping processes through transconductance
• Studies on the origin of the interfacial superconductivity of Sb2Te3/Fe1+yTe heterostructures
• Unconventional proximity-induced superconductivity in bilayer systems
• Single Dirac-cone on the Cs-covered topological insulator surface Sb2Te3(0001)
• Topological Insulators and Superconductors from String Theory
• Topological Properties and Functionalities in Oxide Thin Films and Interfaces
• Three-dimensional topological insulators: A review on host materials
• Magnetic structure of the antiferromagnetic half-Heusler compound NdBiPt
• Surface states on a topologically non-trivial semimetal: The case of Sb(110)
• Separating the bulk and surface n- to p-type transition in the topological insulator GeBi(4-x)SbxTe7
• Hexagonal warping on spin texture, Hall conductivity and circular dichroism of Topological Insulator
• Evidence for topological band inversion of the phase change material Ge2Sb2Te5
• Giant spin rotation under quasiparticle-photoelectron conversion: Joint effect of sublattice interference and spin-orbit coupling
• Multiband s-wave topological superconductors: role of dimensionality and magnetic field response
• Quantization and $2\pi$ Periodicity of the Axion Action in Topological Insulators
• Electromagnetic spin polarization on the surface of topological insulator
• Topological Superconductivity Induced by Magnetic Texture Crystals
• Symmetry-enforced topological band crossings in orthorhombic crystals: Classification and materials discovery
• Gate voltage controlled thermoelectric figure of merit in three-dimensional topological insulator nanowires
• Josephson junctions of Weyl and multi-Weyl semimetals
• Enhanced Conductance Fluctuation by Quantum Confinement Effect in Graphene Nanoribbons
• Band Structure of Topological Insulator BiSbTe1.25Se1.75
• Gapped Surface States in a Strong-Topological-Semimetal
• Surface plasmon polaritons in topological insulator
• Reading charge transport from spin dynamics on the surface of topological insulator
• Topological phases of topological insulator thin films
• Signatures of surface states in bismuth at high magnetic fields
• Enhancement of crossed Andreev reflection in normal-superconductor-normal junction of thin topological insulator
• Spin-textures, Berry's phase and Quasiparticle Interference in Bi2Te3: A Topological Insulator with Warped Surface States
• Observation of Dirac surface states in the noncentrosymmetric superconductor BiPd
• Landau level spectroscopy of relativistic fermions with low Fermi velocity in Bi2Te3 three-dimensional topological insulator
• Topological states and phase transitions in Sb${}_2$Te${}_3$-GeTe multilayers
• Spin-orbit interaction and Dirac cones in d orbital noble metal surface states
• Topological surface states on Bi(111) based on empirical tight-binding calculations
• Towards the manipulation of topological states of matter: A perspective from electron transport
• Surface states scattering from a step defect in topological insulator Bi_{2}Te_{3}
• Topological Insulator Thin Films Starting from the Amorphous Phase - Bi${}_2$Se${}_3$ as Example
• Edge states of a three-dimensional topological insulator
• Spin injection into a metal from a topological insulator
• Spin Response of Electrons on the Surface of a Topological Insulator
• Magneto-transport behaviour of Bi2Se3-xTex: Role of disorder
• Few-layer antimonene electrical properties
• Josephson supercurrent in a topological insulator without a bulk shunt
• Magnetic order on a topological insulator surface with warping and proximity-induced superconductivity
• Electronic properties of Bi${}_2$Se${}_3$ dopped by $3d$ transition metal (Mn, Fe, Co, or Ni) ions
• Landau level states on a topological insulator thin film
• First Principles Modeling of Topological Insulators: Structural Optimization and Exchange Correlation Functionals
• Laser-induced persistent photovoltage on the surface of a ternary topological insulator at room temperature
• Incomplete Protection of the Surface Weyl Cones of the Kondo Insulator SmB${}_6$: Spin Exciton Scattering
• Transport discovery of emerging robust helical surface states in $Z_2=0$ systems
• The Z_2 network model for the quantum spin Hall effect: two-dimensional Dirac fermions, topological quantum numbers, and corner multifractality
• Transport across a junction of topological insulators and a superconductor
• Topological surface states scattering in Antimony
• Gate-controlled one-dimensional channel on the topological surface
• Interacting surface states of three-dimensional topological insulators
• Discovery of several large families of Topological Insulator classes with backscattering-suppressed spin-polarized single-Dirac-cone on the surface
• Quantum Transport and Potential of Topological States for Thermoelectricity in Bi${}_2$Te${}_3$ Thin Films
• Topological insulators on a Mobius Strip
• Phonon structure in dispersion curves and density of states of massive Dirac Fermions
• Anomalous behavior of the electronic structure of (Bi${}_{1-x}$In${}_x$)${}_2$Se${}_3$ across the quantum-phase transition from topological to trivial insulator
• Fundamentally fastest optical processes at the surface of a topological insulator
• Polariton Spin Whirls
• Unwinding in Hopfion vortex bunches
• Edge accumulation and currents of moment in 2D topological insulators
• Projected Topological Branes
• Persistent Coherence and Spin-Polarization of Topological Surface States on Topological Insulators
• Unveiling the complete dispersion of the giant Rashba split surface states of ferroelectric $\alpha$-GeTe(111) by alkali doping
• Helical edge states in multiple topological mass domains
• Ferromagnetic Anomalous Hall Effect in Cr-doped Bi${}_2$Se${}_3$ Thin Films via Surface-State Engineering
• Impact of Step Defects on Surface States of Topological Insulators
• Terahertz Faraday and Kerr rotation spectroscopy of Bi${}_{1-x}$Sb${}_x$ films in high magnetic fields up to 30 Tesla
• Triple point fermions in ferroelectric GeTe
• Detection of the anomalous velocity with sub-picosecond time resolution in semiconductor nanostructures
• Interband spin-orbit coupling between anti-parallel spin states in Pb quantum well states
• Spin-orbit torques and spin Hall magnetoresistance generated by twin-free and amorphous Bi0.9Sb0.1 topological insulator films
• Quantum electrical transport properties of topological insulator Bi2Te3 nanowires
• Tunneling spectroscopy and Josephson current of superconductor-ferromagnet hybrids on the surface of a 3D TI
• Detection of Chern numbers and entanglement in topological two-species systems through subsystem winding numbers
• Anisotropic surface transport in topological insulators in proximity to a helical spin density wave
• Observation of metallic surface states in the strongly correlated Kitaev-Heisenberg candidate Na2IrO3
• SmO thin films: a flexible route to correlated flat bands with nontrivial topology
• Sudden gap-closure across the topological phase transition in Bi${}_{2-x}$In${}_x$Se${}_3$
• Controlling electron propagation on a topological insulator surface via proximity interactions
• Disentangling surface and bulk transport in topological-insulator $p$-$n$ junctions
• Helical spin texture of surface states in topological superconductors
• Optically tunable spin transport on the surface of a topological insulator
• Quantum Corrals and Quantum Mirages on the Surface of a Topological Insulator
• Scattering of knotted vortices (Hopfions) in the Faddeev-Skyrme model
• Transport Properties of Topological Insulators Films and Nanowires
• Gate-induced decoupling of surface and bulk state properties in selectively-deposited Bi${}_2$Te${}_3$ nanoribbons
• Hinge states in a system of coupled Rashba layers
• Anisotropic Quantum Spin Hall Effect, Spin-Orbital Textures and Mott Transition
• Topological insulators and topological non-linear sigma models
• Transport of Massless Dirac Fermions in Non-topological Type Edge States
• Observation of antiphase coherent phonons in the warped Dirac cone of Bi${}_2$Te${}_3$
• Topological Phase Transition-Induced Tri-Axial Vector Magnetoresistance in (Bi1-xInx)2Se3 Nanodevices
• Sputtering induced re-emergence of the topological surface state in Bi${}_2$Se${}_3$
• Global phase diagram of two-dimensional Dirac fermions in random potentials
• Exciton condensation in strongly correlated quantum spin Hall insulators
• Quantum Hall Effect in Thin Films of Three-Dimensional Topological Insulators
• Controlling the 2DEG states evolution at a metal/Bi${}_2$Se${}_3$ interface
• Phase diagram of two interacting helical states
• The anomalous antiferromagnetic topological phase in pressurized SmB6
• Interaction Protected Topological Insulators with Time Reversal Symmetry
• Interaction-enhanced magnetically ordered insulating state at the edge of a two-dimensional topological insulator
• Spontaneous gap generation on the surface of weakly interacting topological insulators using nonmagnetic impurities
• Impact of ultrafast transport on the high-energy states of a photoexcited topological insulator
• Axion response in gapless systems
• Spin-Momentum Locked Topological Surface States, non-trivial Berry's phase and magnetoelectric quantization in topological insulators
• Three-Dimensional Fractional Topological Insulators in Coupled Rashba Layers
• Sondheimer Oscillation as a Fingerprint of Surface Dirac Fermions
• Role of orbital hybridization in anisotropic magnetoresistance
• Spin Texture and Mirror Chern number in Hg-Based Chalcogenides
• Orbit- and Atom-Resolved Spin Textures of Intrinsic, Extrinsic and Hybridized Dirac Cone States
• Engineering topological phases in triple HgTe/CdTe quantum wells
• Fabrication and characterization of the gapless half-Heusler YPtSb thin films
• Coupling-decoupling of conducting topological surface states in thick Bi${}_2$Se${}_3$ single crystals
• Spatially resolved Landau level spectroscopy of the topological Dirac cone of bulk-type Sb2Te3(0001): potential fluctuations and quasiparticle lifetime
• Majorana fermions manifested as interface-states in semiconductor hybrid structures
• Multiple Triple-Point Fermions in Heusler Compounds
• Bulk-edge correspondence in two-dimensional topological semimetals: A transfer matrix study of antichiral edge modes
• Electronic standing waves on the surface of the topological insulator Bi2Te3
• Effective action approach to the filling anomaly in crystalline topological matter
• The Interplay of Topological Surface and Bulk Electronic States in Bi2Se3
• Flux Free Single Crystal Growth and Detailed Physical Property Characterization of Bi1-xSbx (x = 0.05, 0.1 and 0.15) Topological Insulator
• Spin polarized STM spectra of Dirac Fermions on the surface of a topological insulator
• Determining the spin-orbit coupling via spin-polarized spectroscopy of magnetic impurities
• One-dimensional non-interacting topological insulators with chiral symmetry
• Proximity effects in a topological-insulator/Mott-insulator heterostructure
• A New Platform for Engineering Topological Superconductors: Superlattices on Rashba Superconductors
• Competing orders in the Dirac-like electronic structure and the non-linear sigma model with the topological terms
• Surface-state spin textures in strained bulk HgTe: strain-induced topological phase transitions
• Lattice-matched heterojunctions between topological and normal insulators: A first-principles study
• Density Waves Instability and a Skyrmion Lattice on the Surface of Strong Topological Insulators
• First-order quantum phase transition in three-dimensional topological band insulators
• Quantum transport in topological insulator hybrid structures -- A combination of topological insulator and superconductor
• Topological phase transitions with and without energy gap closing
• Kane-Mele Hubbard model on a zigzag ribbon: stability of the topological edge states and quantum phase transitions
• One-dimensional Dirac electrons on the surface of weak topological insulators
• Time-reversal invariant finite-size topology
• Self-consistent $\text{k}\cdot \text{p}$ calculations for gated thin layers of 3D Topological Insulators
• Emergent Momentum-Space Skyrmion Texture on the Surface of Topological Insulators
• Weyl Semimetal from the Honeycomb Array of Topological Insulator Nanowires
• Topological phase in non-centrosymmetric material NaSnBi
• Control of Spin Relaxation Anisotropy by Spin-Orbit-Coupled Diffusive Spin Motion
• Unidirectional valley-contrasting photo-current in strained transition metal dichalcogenide monolayers
• Plasmons in topological insulator cylindrical nanowires
• Nonlinear response in a non-centrosymmetric topological insulator
• Two elementary band representation model, Fermi surface nesting, and surface topological superconductivity in $A$V${}_3$Sb${}_5$ ($A=\text{K, Rb, Cs}$)
• Connection topology of step edge state bands at the surface of a three dimensional topological insulator
• Confining electrons on a topological insulator surface using potentials and a magnetic field
• Electron-phonon superconductivity in C-doped topological nodal-line semimetal Zr${}_5$Pt${}_3$: A muon spin rotation and relaxation ($\mu$SR) study
• Exchange-Driven Intermixing of Bulk and Topological Surface State by Chiral Excitons in Bi2Se3
• Selective Trapping of Hexagonally Warped Topological Surface States in a Triangular Quantum Corral
• Topological end states due to inhomogeneous strains in wrinkled semiconducting ribbons
• Excitation wavelength-dependent ultrafast THz emission from surface and bulk of three-dimensional topological insulators
• Superconducting Bi2Te: pressure-induced universality in the (Bi2)m(Bi2Te3)n series
• Chiral p-wave superconductivity in Sb(111) thin films close to Van Hove singularities
• Emergent Phenomena with Broken Parity-Time Symmetry: Odd-order vs. Even-order Effects
• Moiré pattern formation in epitaxial growth on a covalent substrate: Sb on InSb(111)A
• Absence of helical surface states in bulk semimetals with broken inversion symmetry
• Topological Insulators in Hexagonal Wurtzite-type Binary Compounds
• Reproducible synthetic method for the topological superconductor CuxBi2Se3
• Analytical Solutions for the Surface States of Bi${}_{1-x}$Sb${}_x$ ($0\le x\lesssim 0.1$)
• Connectivity of edge and surface states in topological insulators
• Discovery of highly spin-polarized conducting surface states in the strong spin-orbit coupling semiconductor Sb${}_2$Se${}_3$
• Real-space characterization of reactivity towards water at Bi2Te3(111) surface
• Non-contact mutual inductance based measurement of an inhomogeneous topological insulating state in Bi2Se3 single crystals with defects
• Hybridization of topological surface states with a flat band
• Coulomb drag in topological insulator films
• Epitaxial growth and characterization of Bi${}_{1-x}$Sb${}_x$ thin films on (0001) sapphire substrates
• Strain effects in twisted spiral antimonene
• Expediting hydrogen evolution through topological surface states on Bi2Te3
• A Z${}_2$ index of Dirac operator with time reversal symmetry
• Topological phase transition with nanoscale inhomogeneity in (Bi${}_{1-x}$In${}_x$)${}_2$Se${}_3$
• Quantization of non-Abelian Berry phase for time reversal invariant systems
• THz Photodetector using sideband-modulated transport through surface states of a 3D Topological Insulator
• Surface Step Defect in 3D Topological Insulators: Electric Manipulation of Spin and Quantum Spin Hall Effect
• Adiabatic quantum pumping through surface states in 3D topological insulators
• Bulk cyclotron resonance in the topological insulator Bi2Te3
• Coulomb drag in topological materials
• The search for strong topological insulators
• Topological crystalline protection in a photonic system
• Weak Electron-Phonon Coupling and Unusual Electron Scattering of Topological Surface States in Sb(111) by Laser-Based Angle-Resolved Photoemission Spectroscopy
• Dielectric screening of surface states in a topological insulator
• Building topological device through emerging robust helical surface states
• Spin texture on top of vortex avalanches in Nb/Al_2O_3/Co thin film heterostructures
• A topological Dirac insulator in a quantum spin Hall phase (experimental realization of a 3D Topological Insulator)
• Shubnikov de Haas quantum oscillation of the surface states in the metallic Bismuth Telluride sheets
• Elastic scattering of surface states on three-dimensional topological insulators
• Engineering topological superconductors using surface atomic-layer/molecule hybrid materials
• Localization, transport and edge states in a two-strand ladder network in an aperiodically staggered magnetic field
• Green's Function Method for Line Defects and Gapless Modes in Topological Insulators : Beyond Semiclassical Approach
• Topological quantum criticality from multiplicative topological phases
• Electrified magnetic catalysis in three-dimensional topological insulators
• A topological phase buried in a chalcogenide superlattice monitored by a helicity dependent Kerr measurement
• Theory of spin and orbital charge conversion at the surface states of Bi_{1-x}Sb_x topological insulator
• Topological insulator on honeycomb lattices and ribbons without inversion symmetry
• Computing the ${\mathbb{Z}}_2$ Invariant in Two-Dimensional Strongly-Correlated Systems
• Thermoelectric properties of an ultra-thin topological insulator
• Unconventional topological phase transition from semimetal to insulator in SnBi2Te4: Role of anomalous thermal expansion
• Chemically gated electronic structure of a superconducting doped topological insulator system
• Helical Edge Modes near Transition to Topological Insulator with Indirect Gap
• Effect of Perturbative Hexagonal Warping on Quantum Capacitance in Ultra-Thin Topological Insulators
• Electron dynamics in topological insulator based semiconductor-metal interfaces (topological p-n interface based on Bi2Se3 class)
• Topological electronic properties of silicon
• Observation of average topological phase in disordered Rydberg atom array
• Transport in a thin topological insulator with potential and magnetic barriers
• Phase diagram of the interacting persistent spin-helix state
• Fabry-Pérot interferometry with gate-tunable 3D topological insulator nanowires
• Strong and Weak Three-Dimensional Topological Insulators Probed by Surface Science Methods
• Synthesizing Weyl semimetals in weak topological insulator and topological crystalline insulator multilayers
• Unusual temperature evolution of band structure of Bi(111) studied by angle-resolved photoemission spectroscopy and density functional theory
• From classical to quantum regime of topological surface states via defect engineering
• Interplay between intrinsic and emergent topological protection on interacting helical modes
• Functional renormalization-group approach to the Pokrovsky-Talapov model via modified massive Thirring fermion model
• Electron transport in a ferromagnetic/normal/ferromagnetic tunnel junction based on the surface of a topological insulator
• Landau levels in a topological insulator
• Quantum oscillations and nontrivial transport in (Bi0.92In0.08)2Se3
• Duality and degeneracy lifting in two-dimensional electron liquids on SrTiO${}_3$(001)
• Topological Insulator Metamaterial with Giant Circular Photogalvanic Effect
• A thermodynamic measure of the Magneto-electric coupling in the 3D topological insulator
• Quantum criticality in Kondo quantum dot coupled to helical edge states of interacting 2D topological insulators
• Coexisting surface states in the weak and crystalline topological insulator Bi_2TeI
• Superconductive proximity in a Topological Insulator slab and excitations bound to an axial vortex
• Adhesion Properties of Hydrogen on Sb(111) Probed by Helium Atom Scattering
• Synchrotron-radiation studies of topological insulators
• Altermagnetism, ARPES, symmetry, non-relativistic band splitting
• Anomalous Magnetoresistance beyond the Jullière Model for Spin Selectivity in Chiral Molecules
• Spontaneous symmetry breaking and quantum Hall valley ordering on the surface of topological hexaborides
• Time-reversal invariant topological skyrmion phases
• Structural, Surface Morphology and Magneto-Transport properties of Self Flux Grown Eu Doped Bi2Se3 Single Crystal
• Tuning the Chern number and Berry curvature with spin-orbit coupling and magnetic textures
• Interfacial Fermi Loops from Interfacial Symmetries
• One-Dimensional Spin-Polarised Surface States -- A Comparison of Bi(112) with Other Vicinal Bismuth Surfaces
• Topological Crystalline Metal in Orthorhombic Perovskite Iridates
• Manifestations of topological band crossings in bulk entanglement spectrum: An analytical study for integer quantum Hall states
• Color Superconductivity, Fermionic Quasinormal Modes in Reissner-Nordström-anti-de Sitter Spacetimes and Supersymmetry
• Detecting winding and Chern numbers in topological matter using spectral function
• Fermi surface and band structure of BiPd from ARPES studies
• First observation of spin-helical Dirac fermions and topological phases in undoped and doped Bi2Te3 demonstrated by spin-ARPES spectroscopy
• Helical Topological Superconducting Pairing at Finite Excitation Energies
• Observation of Dirac-like surface state bands on the top surface of BiSe
• Ultrafast scattering dynamics of coherent phonons in Bi${}_{1-x}$Sb${}_x$ in the Weyl semimetal phase
• Fabry-Perot interferometry in Weyl semi-metals
• Topological blocking at the Bi(111) surface due to surface relaxation
• Additional Evidence for the Surface Origin of the Peculiar Angular-Dependent Magnetoresistance Oscillations Discovered in a Topological Insulator Bi_{1-x}Sb_{x}
• Chiral edge transport along domain walls in magnetic topological insulator nanoribbons
• Particle-hole asymmetry and quantum confinement effects on the magneto-optical response of topological insulator thin-films
• Stability of the X-Y-phase of the two-dimensional C4 point group insulator
• Exploring Thouless Pumping in the Generalized Creutz Model: A Graphical Method and Modulation Schemes
• Anisotropic angle-dependent Andreev reflection at the ferromagnet/superconductor junction on the surface of topological insulators
• Ultrafast electron dynamics at the Dirac node of the topological insulator Sb${}_2$Te${}_3$
• Transport evidence of robust topological surface state in BiTeCl single crystals, the first strong inversion asymmetric topological insulator
• Transport theory for electrical detection of the spin texture and spin-momentum locking of topological surface states
• Magnetic Quantum Phase Diagram of Magnetic Impurities in 2 Dimensional Disordered Electron Systems
• Spinless topological chirality from Umklapp scattering in twisted 3D structures
• Unconventional band structure for a periodically gated surface of a three dimensional Topological Insulator
• Gate-controlled Spin Extraction from Topological Insulator Surfaces
• Beta-Ag2Te: A topological insulator with strong anisotropy
• Introduction to Topological Insulators
• Cyclotron Resonance in Topological Insulators: Non-Relativistic Effects
• Chiral Spin Textures of Strongly Interacting Particles in Quantum Dots
• Observation of novel interference patterns in Bi2-xFexTe3+d by Fourier transform scanning tunneling spectroscopy
• Double band inversion in the topological phase transition of Ge1-xSnx alloys
• Studies on proximity effect in Mo/Bi1.95Sb0.05Se3 hybrid structure
• Control of intervalley scattering in Bi${}_2$Te${}_3$ via temperature-dependent band renormalization
• Theory of Topological Superconductivity in Doped IV-VI Semiconductors
• Effects of iron doping on the topological insulator surfaces
• Probing the topology of the two-photon bands via time-dependent quantum walks
• Current Modulator based on Topological Insulator with Sliding Magnetic Superlattice
• Determination of Out-of-plane Spin Polarization of Topological Surface States by Spin Hall Effect Tunneling Spectroscopy
• Spin-polarized scanning tunneling microscopy measurement scheme for determining the quantum geometric tensor
• Diagnosing a strong topological insulator by quantum oscillations
• Surface-dominated Conductivity of Few-layered Antimonene
• Origin of Robust ${\mathbb{Z}}_2$ Topological Phases in Stacked Hermitian Systems: Non-Hermitian Level Repulsion
• Engineering chiral-induced spin selectivity in an artificial topological quantum well
• Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick-Baez mirror optics
• Magnetic-field effect on excitonic condensation emergent in extended Falicov-Kimball model
• Electronic structures and stability investigation of the new class of large band gap topological insulators MTl${}_4$Te${}_3$ (M = Cd, Hg)
• Granular topological insulators
• Non-Abelian Charge Transport in Three-Flavor Gauge Semimetal Model with Braiding Majoranas
• High repetition rate Time-Resolved VUV ARPES at 10.8 eV photon energy
• Analytical solutions of topological surface states in a series of lattice models
• Topological advantage for adsorbate chemisorption on conjugated chains
• Electronic and topological properties of the van der Waals layered superconductor PtTe
• Solitonic solutions of Faddeev model
• Controlling helicity-dependent photocurrent in polycrystalline Sb${}_2$Te${}_2$Se topological insulator thin films at ambient temperature through wave-vector of and photothermal gradient due to polarized light
• Unconventional Spin Valve Based on Normal Metal/Chiral Molecule/Altermagnet Junctions
• Signatures of Fractional Quantum Hall States in Topological Insulators
• Piecewise-terminated spherical topological insulator as a virtual breadboard for Majorana circuitry
• Procedures for assessing the stability of proposed topological materials
• Localization and entanglement characterization of edge states in HgTe quantum wells in a finite strip geometry
• Splitting of the topologically-protected Dirac cone without breaking time reversal symmetry
• Proposed Detection of Time Reversal Symmetry in Topological Surface States
• Local density of state oscillations in laterally heterostructured topological insulator-semiconductor systems