Do** a Mott insulator: Physics of high-temperature superconductivity

PA Lee, N Nagaosa, XG Wen - Reviews of modern physics, 2006 - APS
This article reviews the physics of high-temperature superconductors from the point of view
of the do** of a Mott insulator. The basic electronic structure of cuprates is reviewed …

Theory of superconductivity in strongly correlated electron systems

Y Yanase, T Jujo, T Nomura, H Ikeda, T Hotta… - Physics Reports, 2003 - Elsevier
In this article we review essential natures of superconductivity in strongly correlated electron
systems (SCES) from a universal point of view. First we summarize experimental results on …

Inhomogeneous pairing in highly disordered s-wave superconductors

A Ghosal, M Randeria, N Trivedi - Physical Review B, 2001 - APS
We study a simple model of a two-dimensional s-wave superconductor in the presence of a
random potential as a function of disorder strength. We first use the Bogoliubov–de Gennes …

Local electronic correlation at the two-particle level

G Rohringer, A Valli, A Toschi - Physical Review B—Condensed Matter and …, 2012 - APS
Electronic-correlated systems are often well described by dynamical mean field theory
(DMFT). While DMFT studies have mainly focused hitherto on one-particle properties …

Nonlinear optical effects and third-harmonic generation in superconductors: Cooper pairs versus Higgs mode contribution

T Cea, C Castellani, L Benfatto - Physical Review B, 2016 - APS
The recent observation of a transmitted THz pulse oscillating at three times the frequency of
the incident light paves the way to a powerful protocol to access resonant excitations in a …

Phase fluctuations and pseudogap phenomena

VM Loktev, RM Quick, SG Sharapov - Physics Reports, 2001 - Elsevier
This article reviews the current status of precursor superconducting phase fluctuations as a
possible mechanism for pseudogap formation in high-temperature superconductors. In …

Collective modes and terahertz near-field response of superconductors

Z Sun, MM Fogler, DN Basov, AJ Millis - Physical Review Research, 2020 - APS
We theoretically study the low-energy electromagnetic response of Bardeen-Cooper-
Schrieffer–type superconductors focusing on propagating collective modes that are …

Quantum fluctuations in the superfluid state of the BCS-BEC crossover

RB Diener, R Sensarma, M Randeria - Physical Review A—Atomic, Molecular …, 2008 - APS
We determine the effects of quantum fluctuations about the T= 0 mean-field solution of the
BCS-BEC crossover in a dilute Fermi gas using the functional integral method. These …

Projected wave functions and high temperature superconductivity

A Paramekanti, M Randeria, N Trivedi - Physical review letters, 2001 - APS
We study the Hubbard model with parameters relevant to cuprates using variational Monte
Carlo for projected d-wave states. For do** 0< x≲ 0.35 we obtain a superconductor whose …

High- superconductors: A variational theory of the superconducting state

A Paramekanti, M Randeria, N Trivedi - Physical Review B—Condensed Matter …, 2004 - APS
We use a variational approach to gain insight into the strongly correlated d-wave
superconducting state of the high T c cuprates at T= 0. We show that strong correlations lead …