Dynamical mean-field theory of strongly correlated electron systems
D Vollhardt - Proceedings of the International Conference on …, 2020 - journals.jps.jp
Dynamical Mean-Field Theory (DMFT) has opened new perspectives for the investigation of
strongly correlated electron systems and greatly improved our understanding of correlation …
strongly correlated electron systems and greatly improved our understanding of correlation …
Impact of disorder and phonons on the Hubbard bands of Mott insulators in strong electric fields
TM Mazzocchi, D Werner, E Arrigoni - Physical Review B, 2024 - APS
We characterize the current-carrying nonequilibrium steady state (NESS) in a single-band
Hubbard model confronted with a static electric field in the presence of quenched disorder …
Hubbard model confronted with a static electric field in the presence of quenched disorder …
Nonequilibrium for correlated disordered systems
We present a solution for the nonequilibrium dynamics of an interacting disordered system.
The approach adapts the combination of the equilibrium dynamical mean-field theory and …
The approach adapts the combination of the equilibrium dynamical mean-field theory and …
Charge density wave and superconductivity in the disordered Holstein model
The interplay between electron-electron correlations and disorder has been a central theme
of condensed matter physics over the past several decades, with particular interest in the …
of condensed matter physics over the past several decades, with particular interest in the …
Beyond quantum cluster theories: multiscale approaches for strongly correlated systems
The degrees of freedom that confer to strongly correlated systems their many intriguing
properties also render them fairly intractable through typical perturbative treatments. For this …
properties also render them fairly intractable through typical perturbative treatments. For this …
Phonon localization in binary alloys with diagonal and off-diagonal disorder: A cluster Green's function approach
We report the development and application of a method for carrying out computational
investigations of the effects of mass and force-constant (FC) disorder on phonon spectra …
investigations of the effects of mass and force-constant (FC) disorder on phonon spectra …
Local density of states and scattering rates across the many-body localization transition
A Jana, VR Chandra, A Garg - Physical Review B, 2021 - APS
Characterizing the many-body localization (MBL) transition in strongly disordered and
interacting quantum systems is an important issue in the field of condensed matter physics …
interacting quantum systems is an important issue in the field of condensed matter physics …
Resolution of the exponent puzzle for the Anderson transition in doped semiconductors
The Anderson metal-insulator transition (MIT) is central to our understanding of the quantum
mechanical nature of disordered materials. Despite extensive efforts by theory and …
mechanical nature of disordered materials. Despite extensive efforts by theory and …
Why calculate in infinite dimensions?
D Vollhardt - arXiv preprint arXiv:2210.06072, 2022 - arxiv.org
A pedagogical introduction to solving classical and quantum many-body models in infinite
spatial dimensions is given. The solution of the Hubbard model obtained in this limit is …
spatial dimensions is given. The solution of the Hubbard model obtained in this limit is …
Neural network solver for small quantum clusters
Machine learning approaches have recently been applied to the study of various problems
in physics. Most of these studies are focused on interpreting the data generated by …
in physics. Most of these studies are focused on interpreting the data generated by …