Physical review letters
Semigroup Influence Matrices for Nonequilibrium Quantum Impurity Models.
Michael Sonner, Valentin Link, Dmitry A Abanin
Published: 202510.1103/5gfn-l7w7
Abstract
We introduce a framework for describing the real-time dynamics of quantum impurity models out of equilibrium which is based on the influence matrix approach. By replacing the dynamical map of a large fermionic quantum environment with an effective se…
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