Determining the underlying Fermi surface of strongly correlated superconductors

Abstract

The notion of a Fermi surface (FS) is one of the most ingenious concepts developed by solid state physicists during the past century. It plays a central role in our understanding of interacting electron systems. Extraordinary efforts have been undertaken, both by experiment and by theory, to reveal the FS of the high temperature superconductors (HTSC), the most prominent strongly correlated superconductors. Here, we discuss some of the prevalent methods used to determine the FS and show that they lead generally to erroneous results close to half filling and at low temperatures, due to the large superconducting gap (pseudogap) below (above) the superconducting transition temperature. Our findings provide a perspective on the interplay between strong correlations and superconductivity and highlight the importance of strong coupling theories for the characterization as well as the determination of the underlying FS in ARPES experiments.

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• The Mott-Hubbard Transition on the D=infinity Bethe Lattice

Cited by in corpus (28)

• Electronic structure of quantum materials studied by angle-resolved photoemission spectroscopy
• Modeling the Fermi arc in underdoped cuprates
• BCS-BEC crossover on the two-dimensional honeycomb lattice
• Doping evolution of the electronic structure in the single-layer cuprates Bi${}_2$Sr${}_{2-x}$La${}_x$CuO${}_{6+\delta }$: Comparison with other single-layer cuprates
• Disappearance of Nodal Gap across the Insulator-Superconductor Transition in a Copper-Oxide Superconductor
• High temperature superconductivity in the two-dimensional $t$-$J$ model: Gutzwiller wave function solution
• Superconducting fluctuations in overdoped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Can one determine the underlying Fermi surface in the superconducting state of strongly correlated superconductors?
• Strong renormalization of the Fermi-surface topology close to the Mott transition
• Charge order driven by Fermi-arc instability and its connection with pseudogap in cuprate superconductors
• Approximate solution of variational wave functions for strongly correlated systems: Description of bound excitons in metals and insulators
• Observation of vortices and hidden pseudogap from scanning tunneling spectroscopic studies of electron-doped cuprate superconductor $S{r}_{0.9}L{a}_{0.1}Cu{O}_2$
• Quasiparticle spectral weights of Gutzwiller-projected high T_c superconductors
• Theory of the quasiparticle excitation in high T${}_c$ cuprates: quasiparticle charge and nodal-antinodal dichotomy
• Interplay between charge order and superconductivity in cuprate superconductors
• Unconventional Low-Energy Excitations of Cuprate Superconductors
• Holographic unitary renormalization group for correlated electrons -- II: insights on fermionic criticality
• Holographic unitary renormalization group for correlated electrons -- I: a tensor network approach
• ARPES, Neutrons, and the High-$T_c$ Mechanism
• Interaction induced Fermi-surface renormalization in the $t_1-t_2$ Hubbard model close to the Mott-Hubbard transition
• Possible Competing Order-Induced Fermi Arcs in Cuprate Superconductors
• Effect of the exchange hole on the Gutzwiller approximation in one dimension
• Spectroscopic Evidence for Competing Order-Induced Pseudogap Phenomena and Unconventional Low-Energy Excitations in High-TC Cuprate Superconductors
• Theory of the Lightly Doped Mott Insulator
• SU(2) approach to the pseudogap phase of high-temperature superconductors: electronic spectral functions
• Fermi Surface Volume of Interacting Systems
• Low-lying quasiparticle excitations in strongly-correlated superconductors: An ansatz from BCS quasiparticle excitations?
• Determination of Fermi surface by charge density correlations