Quasiparticles in the superconducting state of Bi2Sr2CaCu2O8

Abstract

Recent improvements in momentum resolution by a factor of 32 lead to qualitatively new ARPES results on the spectra of Bi2Sr2CaCu2O8 (Bi2212) along the (pi,pi) direction, where there is a node in the superconducting gap. With improved resolution, we now see the intrinsic lineshape, which indicates the presence of true quasiparticles at the Fermi momentum in the superconducting state, and lack thereof in the normal state. The region of momentum space probed here is relevant for charge transport, motivating a comparison of our results to conductivity measurements by infrared reflectivity.

revised paper with new figures

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• Angle-resolved photoemission spectroscopy of the cuprate superconductors
• Discovery of microscopic electronic inhomogeneity in the high-Tc superconductor Bi2Sr2CaCu2O8+x
• Renormalization of spectral lineshape and dispersion below Tc in Bi2Sr2CaCu2O8+d
• Singular Fermi Liquids
• The effect of collective spin-1 excitations on electronic spectra in high-Tc superconductors
• Evidence for an energy scale for quasiparticle dispersion in Bi_2Sr_2CaCu_2O_8
• Projected Wavefunctions and High Temperature Superconductivity
• High-transition-temperature superconductivity in the absence of the magnetic-resonance mode
• The neutron resonance: modeling photoemission and tunneling data in the superconducting state of Bi_2Sr_2CaCu_2O_{8+d}
• Low-Energy Quasiparticles in Cuprate Superconductors: A Quantitative Analysis
• Coherent quasiparticle weight and its connection to high-T_c superconductivity from angle-resolved photoemission
• QED3 theory of underdoped high temperature superconductors
• High Tc Superconductors -- A Variational Theory of the Superconducting State
• Quantum phase transitions in d-wave superconductors
• Pseudogap in High - Temperature Superconductors
• Competing orders and quantum criticality in doped antiferromagnets
• Theories of Low-Energy Quasi-Particle States in Disordered d-Wave Superconductors
• Angle-resolved photoemission in high Tc cuprates from theoretical viewpoints
• High-Resolution Photoemission Study of MgB2
• Doping dependent optical properties of Bi2Sr2CaCu2O8+d
• Effect of the magnetic resonance on the electronic spectra of high Tc superconductors
• Bosons in high temperature superconductors: an experimental survey
• Nodal Quasiparticle Lifetime in the Superconducting State of BSCCO(2212)
• The Relation of Neutron Incommensurability to Electronic Structure in High Temperature Superconductors
• Interplay between electron-phonon and Coulomb interactions in cuprates
• Momentum anisotropy of the scattering rate in cuprate superconductors
• Electronic structure of the trilayer cuprate superconductor Bi${}_2$Sr${}_2$Ca${}_2$Cu${}_3$O${}_{10+\delta }$
• The Fermi surface of Bi2Sr2CaCu2O8
• Absence of a pseudogap in the in-plane infrared response of Bi2Sr2CaCu2O(8+d)
• On the Relation between Optical Conductivity and Quasiparticle Dynamics: Boson Structures
• Inhomogeneous d-wave superconducting state of a doped Mott insulator
• The a-axis optical conductivity of detwinned ortho-II YBa_2Cu_3O_6.50
• Giant enhancement of the thermal Hall conductivity κ_{xy} in the superconductor YBa_2Cu_3O_7
• On the determination of the Fermi surface in high-Tc superconductors by angle-resolved photoemission spectroscopy
• ARPES and optical renormalizations: phonons or spin fluctuations
• High Frequency Behavior of the Infrared Conductivity of Cuprates
• Phase fluctuations, dissipation and superfluid stiffness in d-wave superconductors
• Self-consistent slave rotor mean field theory for strongly correlated systems
• Condensation Energy and Spectral Functions in High Temperature Superconductors
• Quasiparticles and Energy Scaling in Bi${}_2$Sr${}_2$Ca${}_{n-1}$Cu${}_n$O${}_{2n+4}$ ($n$=1-3): Angle-Resolved Photoemission Spectroscopy
• Effective Lorentz Force due to Small-angle Impurity Scattering: Magnetotransport in High-Tc Superconductors
• Evidence of Electron Fractionalization from Photoemission Spectra in the High Temperature Superconductors
• Quasiparticle Liquid in the Highly Overdoped Bi2212
• Anisotropic quasiparticle scattering rates in slightly underdoped to optimally doped high-temperature \LSCO\ superconductors
• Elastic forward scattering in the cuprate superconducting state
• Sum rules and electrodynamics of high-Tc cuprates in the pseudogap state
• Momentum-resolved evolution of the Kondo lattice into 'hidden-order' in URu2Si2
• Bulk and surface low-energy excitations in YBa2Cu3O7-d studied by high-resolution angle-resolved photoemission spectroscopy
• Momentum Dependence of the Single-Particle Self-Energy and Fluctuation Spectrum of Slightly Underdoped Bi_2 Sr_2 CaCu_2 O_{8+δ} from High Resolution Laser ARPES
• Incipient nodal pairing in planar d-wave superconductors
• Nodal Quasiparticle Lifetimes in Cuprate Superconductors
• Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors
• Hall effect in the marginal Fermi liquid regime of high-Tc superconductors
• Nodal Quasiparticle Dispersion in Strongly Correlated d-wave Superconductors
• Effect of controlled disorder on quasiparticle thermal transport in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_8$
• A Consistent Picture for Resonance Neutron Peak and ARPES Spectra in High-Tc Superconductors
• Momentum Distribution Curves in the Superconducting State
• Probing quasiparticle dynamics in Bi2Sr2CaCu2O(8+delta) with a driven Josephson vortex lattice
• Dispersion of Ordered Stripe Phases in the Cuprates
• The Superfluid Density in the D-density-wave Scenario
• Coherence length in superconductors from weak to strong coupling
• The Mysterious Pseudogap in High Temperature Superconductivity, an Infrared View
• ARPES in the normal state of the cuprates: comparing the marginal Fermi liquid and spin fluctuation scenarios
• Quasi-particle Lifetimes in a d_{x^2-y^2} Superconductor
• Magnetic resonance at 41 meV and charge dynamics in YBa_2Cu_3O_6.95
• Universality of the Electronic Structure from a Half Filled CuO_2 Plane
• Measurement of the complex Faraday angle in thin-film metals and high temperature superconductors
• Spectral measurement of the Hall angle response in normal state cuprate superconductors
• Fine Details of the Nodal Electronic Excitations in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Developments in the negative-U modelling of the cuprate HTSC systems
• Comparison of in- and out-of-plane charge dynamics in YBa_2Cu_3O_{6.95}
• Continuous doping of a cuprate surface: new insights from in-situ ARPES
• Spectral function and conductivity in the normal state of the cuprates: a spin fluctuation study
• Doping dependence of the many-body effects along the nodal direction in the high-Tc cuprate (Bi,Pb)_2Sr_2CaCu_2O_8
• Quasiparticle spectrum of the cuprate BiSrCaCuO: Possible connection to the phase diagram
• Detailed Structure of the Magnetic Excitation Spectra of YBa2Cu3Oy and Its Implication on the Physical Characteristics of the Electron System
• Characteristics of oxygen isotope substitutions in the quasiparticle spectrum of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Interaction induced collapse of a section of the Fermi sea in in the zig-zag Hubbard ladder
• Order Parameter "Holes" and Theory of Microwave Conductivity in YBCO
• Dual character of the electronic structure in YBa2Cu4O8: conduction bands of CuO2 planes and CuO chains
• The oxygen isotope effect in the ab-plane reflectance of underdoped YBa_2Cu_3O_{7-delta}
• Gorkov equations for a pseudo-gapped high temperature superconductor
• Quantum criticality in two dimensions and Marginal Fermi Liquid
• Self-Energies and Quasiparticle Scattering Interference
• Perturbation expansion for 2-D Hubbard model
• Sum rule for the optical scattering rates
• Fermi liquid interactions and the superfluid density in d-wave superconductors
• Extracting correlation effects from Momentum-Resolved Electron Energy Loss Spectroscopy (M-EELS): Synergistic origin of the dispersion kink in Bi${}_{2.1}$Sr${}_{1.9}$CaCu${}_2$O${}_{8+x}$
• Fermi-Liquid Interactions in d-Wave Superconductor
• Quasiparticles in a strongly correlated liquid with the fermion condensate: applications to high-temperature superconductors
• Quasiparticles and Phase Fluctuations in High Tc Superconductors
• Quasiparticle Density of States, Localization, and Distributed Disorder in the Cuprate Superconductors
• High-$T_c$ mechanism through analysis of diverging effective mass for YaBa${}_2$Cu${}_3$O${}_{6+x}$ and pairing symmetry in cuprate superconductors
• Controlling the carrier concentration of the high temperature superconductor Bi2Sr2CaCu2O{8+x} in Angle Resolved Photoemission Spectroscopy (ARPES) experiments
• Self-energy of a nodal fermion in a d-wave superconductor
• Analyzing Intrinsic Superconducting Gap by Means of Measurement of Bi-2212 Superconductors
• Studies on Magnetic Excitation Spectra of High-Tc Superconductors
• Quasiparticle lifetimes in the charged Bose gas and the cuprates
• On the universal optical conductivity and single-particle relaxation in cuprates
• Stripe-Like Inhomogeneities, Spectroscopies, Pairing, and Coherence in the High-Tc Cuprates
• Downward shift of infrared conductivity spectral weight at the DDW transition: role of anisotropy
• The dynamically induced Fermi arcs and Fermi pockets in two dimensions: a model for underdoped cuprates
• Comments on gap anisotropy and nodal constant Fermi velocity in a superconductor, BSCCO
• Superfluid Inhomogeneity and Microwave Absorption in Model High-T_c Superconductors
• Cooperon propagator description of high temperature superconductivity
• Quasiparticle scattering in a superconductor near a nematic critical point: resonance mode and multiple attractive channels
• Spectral function of a Luttinger liquid coupled to phonons and angle-resolved photoemission measurements in the cuprate superconductors
• Temperature dependence of the collective mode and its influence on the band splitting in bilayer cuprates
• Damping of Nodal Fermions Caused by a Dissipative Mode
• Monte Carlo study of the superfluid weight in doped antiferromagnets
• Fallacies on pairing symmetry and intrinsic electronic Raman spectrum in high-Tc cuprate superconductors