Classical and quantum theory of fluctuations for many‐particle systems out of equilibrium
E Schroedter, M Bonitz - Contributions to Plasma Physics, 2024 - Wiley Online Library
Correlated classical and quantum many‐particle systems out of equilibrium are of high
interest in many fields, including dense plasmas, correlated solids, and ultracold atoms …
interest in many fields, including dense plasmas, correlated solids, and ultracold atoms …
Precise evaluation of thermal response functions by optimized density matrix renormalization group schemes
T Barthel - New Journal of Physics, 2013 - iopscience.iop.org
This paper provides a study and discussion of earlier as well as novel more efficient
schemes for the precise evaluation of finite-temperature response functions of strongly …
schemes for the precise evaluation of finite-temperature response functions of strongly …
Chiral spin liquids in arrays of spin chains
We describe a coupled-chain construction for chiral spin liquids in two-dimensional spin
systems. Starting from a one-dimensional zigzag spin chain and imposing SU (2) symmetry …
systems. Starting from a one-dimensional zigzag spin chain and imposing SU (2) symmetry …
Nonequilibrium dynamics in pumped Mott insulators
We use time-evolution techniques for (infinite) matrix product states to calculate, directly in
the thermodynamic limit, the time-dependent photoemission spectra and dynamic structure …
the thermodynamic limit, the time-dependent photoemission spectra and dynamic structure …
Finite-temperature dynamics of the Mott insulating Hubbard chain
We study the dynamical response of the half-filled one-dimensional Hubbard model for a
range of interaction strengths U and temperatures T by a combination of numerical and …
range of interaction strengths U and temperatures T by a combination of numerical and …
Two‐Time Quantum Fluctuations Approach and Its Relation to the Bethe–Salpeter Equation
E Schroedter, M Bonitz - physica status solidi (b), 2024 - Wiley Online Library
Correlated quantum many‐particle systems out of equilibrium are of high interest in many
fields, including correlated solids, ultracold atoms, or dense plasmas. Accurate theoretical …
fields, including correlated solids, ultracold atoms, or dense plasmas. Accurate theoretical …
Pseudoparticle approach to 1D integrable quantum models
JMP Carmelo, PD Sacramento - Physics Reports, 2018 - Elsevier
Over the last three decades a large number of experimental studies on several quasi one-
dimensional (1D) metals and quasi 1D Mott–Hubbard insulators have produced evidence …
dimensional (1D) metals and quasi 1D Mott–Hubbard insulators have produced evidence …
Quantum fluctuations approach to the nonequilibrium approximation: Density correlations and dynamic structure factor
The quantum dynamics of correlated fermionic or bosonic many-body systems following
external excitation can be successfully studied using nonequilibrium Green functions …
external excitation can be successfully studied using nonequilibrium Green functions …
Quantum Monte Carlo solution of the dynamical mean field equations in real time
We present real-time inchworm quantum Monte Carlo results for single-site dynamical mean
field theory on an infinite coordination number Bethe lattice. Our numerically exact results …
field theory on an infinite coordination number Bethe lattice. Our numerically exact results …
Charge dynamics of correlated electrons: Variational description with inclusion of composite fermions
We propose a method to calculate the charge dynamical structure factors for the ground
states of correlated electron systems based on the variational Monte Carlo method. Our …
states of correlated electron systems based on the variational Monte Carlo method. Our …