4.6 Article

Nonlinear responses and three-particle correlators in correlated electron systems exemplified by the Anderson impurity model

Related references

Note: Only part of the references are listed.
Article Physics, Multidisciplinary

Explaining the pseudogap through damping and antidamping on the Fermi surface by imaginary spin scattering

Friedrich Krien et al.

Summary: We analyze the mechanism of the pseudogap observed in hole-doped cuprates using a Feynman-diagrammatic inspection of the Hubbard model. Our findings show that strong coupling and particle-hole asymmetry trigger a mechanism where the large imaginary part of the spin-fermion vertex promotes damping of antinodal fermions while protecting the nodal Fermi arcs.

COMMUNICATIONS PHYSICS (2022)

Article Physics, Multidisciplinary

Computing Local Multipoint Correlators Using the Numerical Renormalization Group

Seung-Sup B. Lee et al.

Summary: Local three- and four-point correlators play a crucial role in understanding strongly correlated systems, and a new numerical renormalization group approach is introduced to efficiently compute them, providing insights into multiple particle excitations even at the lowest energies. Exemplary results demonstrate the method's versatility in handling a wide range of temperatures and frequencies, from large to arbitrarily small ones.

PHYSICAL REVIEW X (2021)

Article Physics, Multidisciplinary

Gauge invariance and Ward identities in nonlinear response theory

Habib Rostami et al.

Summary: In this study, a formal analysis of nonlinear response functions in real-and imaginary-time domains is presented, showing causal nonlinear response functions can be obtained from analytic continuation of time ordered response functions. Exact relations between second-order response functions in density and current channels are derived using gauge invariance arguments, allowing for exact connections between nonlinear optics calculations in different electromagnetic gauges.

ANNALS OF PHYSICS (2021)

Article Materials Science, Multidisciplinary

Effects of renormalization and non-Hermiticity on nonlinear responses in strongly correlated electron systems

Yoshihiro Michishita et al.

Summary: This study focuses on the impact of strong correlations on the nonlinear response in condensed matter, providing an analytical derivation using Green's function methods and highlighting the challenges of considering dissipation. The research demonstrates that correlation effects can significantly enhance nonlinear responses and even lead to changes in the sign of nonlinear conductivity.

PHYSICAL REVIEW B (2021)

Article Materials Science, Multidisciplinary

Effects of strong correlations on the nonlinear response in Weyl-Kondo semimetals

Akira Kofuji et al.

Summary: Nonlinear responses in Ce3Bi4Pd3, such as the giant spontaneous Hall effect, are believed to be enhanced by strong correlation effects. By using dynamical mean-field theory and the Kubo formula, researchers simulated and calculated the nonlinear conductivities of Ce3Bi4Pd3, showing the influence of strong correlations on nonlinear responses.

PHYSICAL REVIEW B (2021)

Article Computer Science, Interdisciplinary Applications

w2dynamics: Local one- and two-particle quantities from dynamical mean field theory

Markus Wallerberger et al.

COMPUTER PHYSICS COMMUNICATIONS (2019)

Article Materials Science, Multidisciplinary

Resonant optical second harmonic generation in graphene-based heterostructures

M. Vandelli et al.

PHYSICAL REVIEW B (2019)

Article Materials Science, Multidisciplinary

Symmetric improved estimators for continuous-time quantum Monte Carlo

J. Kaufmann et al.

PHYSICAL REVIEW B (2019)

Article Physics, Multidisciplinary

Diagrammatic routes to nonlocal correlations beyond dynamical mean field theory

G. Rohringer et al.

REVIEWS OF MODERN PHYSICS (2018)

Article Materials Science, Multidisciplinary

Determinant Monte Carlo algorithms for dynamical quantities in fermionic systems

Alice Moutenet et al.

PHYSICAL REVIEW B (2018)

Article Physics, Multidisciplinary

Interplay of Correlations and Kohn Anomalies in Three Dimensions: Quantum Criticality with a Twist

T. Schaefer et al.

PHYSICAL REVIEW LETTERS (2017)

Article Materials Science, Multidisciplinary

Exact diagonalization solver for extended dynamical mean-field theory

Darya Medvedeva et al.

PHYSICAL REVIEW B (2017)

Article Materials Science, Multidisciplinary

Role of three-particle vertex within dual fermion calculations

T. Ribic et al.

PHYSICAL REVIEW B (2017)

Article Materials Science, Multidisciplinary

Conservation in two-particle self-consistent extensions of dynamical mean-field theory

Friedrich Krien et al.

PHYSICAL REVIEW B (2017)

Article Materials Science, Multidisciplinary

Theory of plasmonic effects in nonlinear optics: The case of graphene

Habib Rostami et al.

PHYSICAL REVIEW B (2017)

Article Materials Science, Multidisciplinary

Worm-improved estimators in continuous-time quantum Monte Carlo

P. Gunacker et al.

PHYSICAL REVIEW B (2016)

Article Materials Science, Multidisciplinary

Mott physics and spin fluctuations: A unified framework

Thomas Ayral et al.

PHYSICAL REVIEW B (2015)

Article Materials Science, Multidisciplinary

Fate of the false Mott-Hubbard transition in two dimensions

T. Schaefer et al.

PHYSICAL REVIEW B (2015)

Article Materials Science, Multidisciplinary

FLEX plus DMFT approach to the d-wave superconducting phase diagram of the two-dimensional Hubbard model

Motoharu Kitatani et al.

PHYSICAL REVIEW B (2015)

Article Materials Science, Multidisciplinary

Hidden physics in the dual-fermion approach: A special case of a nonlocal expansion scheme

Gang Li

PHYSICAL REVIEW B (2015)

Article Materials Science, Multidisciplinary

Mechanisms of finite-temperature magnetism in the three-dimensional Hubbard model

Daniel Hirschmeier et al.

PHYSICAL REVIEW B (2015)

Article Physics, Multidisciplinary

Critical Exponents of Strongly Correlated Fermion Systems from Diagrammatic Multiscale Methods

Andrey E. Antipov et al.

PHYSICAL REVIEW LETTERS (2014)

Article Physics, Multidisciplinary

From Infinite to Two Dimensions through the Functional Renormalization Group

C. Taranto et al.

PHYSICAL REVIEW LETTERS (2014)

Article Materials Science, Multidisciplinary

One-particle irreducible functional approach: A route to diagrammatic extensions of the dynamical mean-field theory

G. Rohringer et al.

PHYSICAL REVIEW B (2013)

Article Physics, Multidisciplinary

Critical Properties of the Half-Filled Hubbard Model in Three Dimensions

G. Rohringer et al.

PHYSICAL REVIEW LETTERS (2011)

Article Physics, Multidisciplinary

Continuous-time Monte Carlo methods for quantum impurity models

Emanuel Gull et al.

REVIEWS OF MODERN PHYSICS (2011)

Article Materials Science, Multidisciplinary

Comparing pertinent effects of antiferromagnetic fluctuations in the two- and three-dimensional Hubbard model

A. A. Katanin et al.

PHYSICAL REVIEW B (2009)

Article Materials Science, Multidisciplinary

Dual fermion approach to nonlocal correlations in the Hubbard model

A. N. Rubtsov et al.

PHYSICAL REVIEW B (2008)

Article Materials Science, Multidisciplinary

Dynamical vertex approximation: A step beyond dynamical mean-field theory

A. Toschi et al.

PHYSICAL REVIEW B (2007)

Article Physics, Multidisciplinary

Influence of spatial correlations in strongly correlated electron systems: Extension to dynamical mean field approximation

Hiroaki Kusunose

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN (2006)