Quasiparticle Interference, quasiparticle interactions and the origin of the charge density-wave in 2H-NbSe${}_2$

Abstract

We show that a small number of intentionally introduced defects can be used as a spectroscopic tool to amplify quasiparticle interference in 2H-NbSe${}_2$, that we measure by scanning tunneling spectroscopic imaging. We show from the momentum and energy dependence of the quasiparticle interference that Fermi surface nesting is inconsequential to charge density wave formation in 2H-NbSe${}_2$. We demonstrate that by combining quasiparticle interference data with additional knowledge of the quasiparticle band structure from angle resolved photoemission measurements, one can extract the wavevector and energy dependence of the important electronic scattering processes thereby obtaining direct information both about the fermiology and the interactions. In 2H-NbSe${}_2$, we use this combination to show that the important near-Fermi-surface electronic physics is dominated by the coupling of the quasiparticles to soft mode phonons at a wave vector different from the CDW ordering wave vector.

arXiv commentMain text: 13 pages, 4 figures (single column). In this version: More references included, larger figures. First version did not contained the supplementary material. This version includes the supplementary material within the same file (8 pages, 7 figures)

References in corpus (16)

• How to detect fluctuating order in the high-temperature superconductors
• An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates
• Ubiquitous Interplay between Charge Ordering and High-Temperature Superconductivity in Cuprates
• Charge order driven by Fermi-arc instability in Bi2201
• Local Ordering in the Pseudogap State of the High-T${}_c$ Superconductor Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Charge density wave origin of cuprate checkerboard visualized by scanning tunneling microscopy
• Extended Phonon Collapse and the Origin of the Charge-Density-Wave in NbSe${}_2$
• Fermi Surface Nesting and the Origin of the Charge Density Wave in NbSe${}_2$
• Two energy gaps and Fermi surface 'arcs' in NbSe2
• Theory of Quantum Corrals and Quantum Mirages
• Quasi-Particle Spectra, Charge-Density-Wave, Superconductivity and Electron-Phonon Coupling in 2H-NbSe2
• Visualization of Electron Nematicity and Unidirectional Antiferroic Fluctuations at High Temperatures in NaFeAs
• Fermi surface nesting in several transition metal dichalcogenides
• Optic phonons and the soft mode in 2H-NbSe2
• On the residual resistivity near a two dimensional metamagnetic quantum critical point
• Scattering from incipient stripe order in the high-temperature superconductor Bi2Sr2CaCu2O8+d

Cited by in corpus (33)

• Strongly enhanced charge-density-wave order in monolayer NbSe${}_2$
• Characterization of collective ground states in single-layer NbSe2
• Strong anharmonicity induces quantum melting of charge density wave in 2H-NbSe$\_2$ under pressure
• Atomic-Scale Strain Manipulation of a Charge Density Wave
• Yu-Shiba-Rusinov states in the charge-density modulated superconductor NbSe2
• Charge density waves and phonon-electron coupling in ZrTe${}_3$ investigated by Raman spectroscopy and first-principles calculations
• Quasiparticle Interference Studies of Quantum Materials
• Spin-orbit scattering visualized in quasiparticle interference
• Orbital selectivity causing anisotropy and particle-hole asymmetry in the charge density wave gap of $2H$-TaS${}_2$
• Ab initio phonon self-energies and fluctuation diagnostics of phonon anomalies: Lattice instabilities from Dirac pseudospin physics in transition metal dichalcogenides
• Quasiparticle energy bands and Fermi surfaces of monolayer NbSe${}_2$
• Ultrafast dynamics in normal and Charge Density Wave phase of 2H-NbSe2
• Unveiling hidden charge density waves in single-layer NbSe${}_2$ by impurities
• Quantum phase transition in few-layer NbSe${}_2$ probed through quantized conductance fluctuations
• Glassy Dynamics in a heavy ion irradiated NbSe2 crystal
• Interplay between multiple charge-density waves and the relationship with superconductivity in Pd${}_x$HoTe${}_3$
• Low-Energy Electronic Structure in the Unconventional Charge-Ordered State of ScV${}_6$Sn${}_6$
• Twisted Bogoliubov quasiparticles in the superconducting NbSe${}_2$ monolayer on graphene
• Van der Waals Schottky barriers as interface probes of the correlation between chemical potential shifts and charge density wave formation in 1T-TiSe${}_2$ and 2H-NbSe${}_2$
• Charge Density Waves and the Effects of Uniaxial Strain on the Electronic Structure of 2H-NbSe${}_2$
• Electronic Stripe Patterns Near the Fermi Level of Tetragonal Fe(Se,S)
• Electron-phonon coupling, critical temperatures and gaps in $\mathrm{NbS}{\mathrm{e}}_2$/$\mathrm{Mo}{\mathrm{S}}_2$ Ising Superconductors
• Sub-nanometer optical linewidth of thulium atoms in rare gas crystals
• Hyperbolic fringe signal for twin impurity quasiparticle interference
• Polarized Raman spectroscopy study of metallic $(S{r}_{1-x}L{a}_x{)}_{3}I{r}_2{O}_7$: a consistent picture of disorder-interrupted unidirectional charge order
• Dichotomy of saddle points in energy bands of a monolayer NbSe${}_2$
• Charge-density-wave control by adatom manipulation and its effect on magnetic nanostructures
• Scanning Tunneling Spectroscopy of Subsurface Ag and Ge Impurities in Copper
• Influence of surface relaxations on scanning probe microscopy images of the charge density wave material 2H-NbSe${}_2$
• Interplay of Kondo Physics with Incommensurate Charge Density Waves in CeTe${}_3$
• Image of helical local moment magnetic order in the STM spectrum
• Theoretical study of high harmonic generation in monolayer NbSe${}_2$
• Superfluid dome in the spatially modulated two-dimensional XY model