Multiconfiguration time-dependent Hartree impurity solver for nonequilibrium dynamical mean-field theory

K Balzer, Z Li, O Vendrell, M Eckstein - Physical Review B, 2015 - APS
Nonequilibrium dynamical mean-field theory (DMFT) solves correlated lattice models by
obtaining their local correlation functions from an effective model consisting of a single …

Hamiltonian-based impurity solver for nonequilibrium dynamical mean-field theory

C Gramsch, K Balzer, M Eckstein, M Kollar - Physical Review B—Condensed …, 2013 - APS
We derive an exact mapping from the action of nonequilibrium dynamical mean-field theory
(DMFT) to a single-impurity Anderson model (SIAM) with time-dependent parameters, which …

Dynamical mean field theory simulations with the adaptive sampling configuration interaction method

C Mejuto-Zaera, NM Tubman, KB Whaley - Physical Review B, 2019 - APS
In the pursuit of accurate descriptions of strongly correlated quantum many-body systems,
dynamical mean field theory (DMFT) has been an invaluable tool for elucidating the spectral …

Efficiency of quantum Monte Carlo impurity solvers for the dynamical mean-field theory

N Blümer - Physical Review B—Condensed Matter and Materials …, 2007 - APS
Since the inception of the dynamical mean-field theory, numerous numerical studies have
relied on the Hirsch-Fye quantum Monte Carlo (HF-QMC) method for solving the associated …

Adaptively truncated Hilbert space based impurity solver for dynamical mean-field theory

A Go, AJ Millis - Physical Review B, 2017 - APS
We present an impurity solver based on adaptively truncated Hilbert spaces. The solver is
particularly suitable for dynamical mean-field theory in circumstances where quantum Monte …

Exact diagonalization as an impurity solver in dynamical mean field theory

Y Lu, MW Haverkort - The European Physical Journal Special Topics, 2017 - Springer
The dynamical mean-field theory (DMFT) maps a correlated lattice problem onto an impurity
problem of a single correlated site coupled to an uncorrelated bath. Most implementations …

Frequency-dependent and algebraic bath states for a dynamical mean-field theory with compact support

M Nusspickel, GH Booth - Physical Review B, 2020 - APS
We demonstrate an algebraic construction of frequency-dependent bath orbitals which can
be used in a robust and rigorously self-consistent DMFT-like embedding method, here …

Charge redistribution in correlated heterostuctures within nonequilibrium real-space dynamical mean-field theory

I Titvinidze, ME Sorantin, A Dorda, W Von Der Linden… - Physical Review B, 2018 - APS
We address the steady-state behavior of a system consisting of several correlated
monoatomic layers sandwiched between two metallic leads under the influence of a bias …

TRIQS/CTHYB: A continuous-time quantum Monte Carlo hybridisation expansion solver for quantum impurity problems

P Seth, I Krivenko, M Ferrero, O Parcollet - Computer Physics …, 2016 - Elsevier
We present TRIQS/CTHYB, a state-of-the art open-source implementation of the continuous-
time hybridisation expansion quantum impurity solver of the TRIQS package. This code is …

Development of an efficient impurity solver in dynamical mean field theory for multiband systems: Iterative perturbation theory combined with parquet equations

R Mizuno, M Ochi, K Kuroki - Physical Review B, 2021 - APS
Although several impurity solvers in the dynamical mean field theory (DMFT) have been
proposed, especially in multiband systems, there are practical difficulties arising from a trade …