Multiband one-dimensional electronic structure and spectroscopic signature of Tomonoga-Luttinger liquid behavior in K${}_2$Cr${}_3$As${}_3$

Abstract

We present Angle-Resolved Photoemission Spectroscopy measurements of the quasi-one dimensional superconductor K${}_2$Cr${}_3$As${}_3$. We find that the Fermi surface contains two Fermi surface sheets, with linearly dispersing bands not displaying any significant band renormalizations. The one-dimensional band dispersions display a suppression of spectral intensity approaching the Fermi level according to a linear power law, over an energy range of ~200 meV. This is interpreted as a signature of Tomonoga-Luttinger liquid physics, which provides a new perspective on the possibly unconventional superconductivity in this family of compounds.

References in corpus (13)

• Superconductivity in quasi-one-dimensional K${}_2$Cr${}_3$As${}_3$ with significant electron correlations
• Unconventional superconductivity in quasi-one-dimensional Rb${}_2$Cr${}_3$As${}_3$
• Superconductivity in quasi-one-dimensional Cs2Cr3As3 with large interchain distance
• New Luttinger liquid physics from photoemission on Li${}_{0.9}$Mo${}_6$O${}_{17}$
• Anisotropic $H_{c2}$, thermodynamic and transport measurements, and pressure dependence of $T_c$ in K${}_2$Cr${}_3$As${}_3$ single crystals
• Magnetism in Quasi-One-Dimensional A${}_2$Cr${}_3$As${}_3$ (A=K,Rb) superconductors
• Cluster spin-glass ground state in quasi-one-dimensional KCr${}_3$As${}_3$
• Critical test for Altshuler-Aronov theory: Evolution of the density of states singularity in double perovskite Sr${}_2$FeMoO${}_6$ with controlled disorder
• Generalized Spectral Signatures of Electron Fractionalization in Quasi-One and -Two Dimensional Molybdenum Bronzes and Superconducting Cuprates
• Peculiar properties of Cr${}_3$As${}_3$-chain-based superconductors
• Reentrant Phase Coherence in Superconducting Nanowire Composites
• The case for the bulk nature of the spectroscopic Luttinger liquid signatures observed in angle resolved photoemission of Li0.9Mo6O17
• Nodal-line pairing with 1D-3D coupled Fermi surfaces: a model motivated by Cr-based superconductors

Cited by in corpus (8)

• Superconductivity at 7.3 K in the 133-type Cr-based RbCr3As3 single crystals
• Crossed Luttinger Liquid Hidden in a Quasi-two-dimensional Material η-Mo4O11
• Coupling of structure to magnetic and superconducting orders in quasi-one-dimensional ${\text{K}}_2{\text{Cr}}_3{\text{As}}_3$
• Role of a higher dimensional interaction in stabilizing charge density waves in quasi-1D NbSe${}_3$ revealed by angle-resolved photoemission spectroscopy
• Structural Instability and Magnetism of Superconducting KCr${}_3$As${}_3$
• K2Mo3As3 is a Multi-Gap Electron-Phonon Superconductor
• Electronic structure and signature of Tomonaga-Luttinger liquid state in epitaxial CoSb${}_{1-x}$ nanoribbons
• The upper critical field and its anisotropy in RbCr${}_3$As${}_3$