3 papers
cond-mat.str-el2025
Inchworm tensor train hybridization expansion quantum impurity solver
Yang Yu, André Erpenbeck, Dominika Zgid +3
The investigation of quantum impurity models plays a crucial role in condensed matter physics because of their wide-ranging applications, such as embedding theories and transport p…
cond-mat.str-el2023
Dynamical Mean Field Theory of the Bilayer Hubbard Model with Inchworm Monte Carlo
Dolev Goldberger, Yehonatan Fridman, Emanuel Gull +2
Dynamical mean-field theory allows access to the physics of strongly correlated materials with nontrivial orbital structure, but relies on the ability to solve auxiliary multi-orbi…
cond-mat.str-el2023
Numerically exact simulation of photo-doped Mott insulators
Fabian Künzel, André Erpenbeck, Daniel Werner +4
A description of long-lived photo-doped states in Mott insulators is challenging, as it needs to address exponentially separated timescales. We demonstrate how properties of such s…