Optimized auxiliary representation of non-Markovian impurity problems by a Lindblad equation

We present a general scheme to address correlated nonequilibrium quantum impurity problems based on a mapping onto an auxiliary open quantum system of small size. The infinite fermionic reservoirs of the original system are thereby replaced by a small number N _B of noninteracting auxiliary bath sit...

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Autors principals:	A Dorda, M Sorantin, W von der Linden, E Arrigoni
Format:	Artigo
Idioma:	Inglês
Publicat:	IOP Publishing 2017-01-01
Col·lecció:	New Journal of Physics
Matèries:	strongly correlated systems quantum systems out of equilibrium open quantum systems and decoherence nonequilibrium Green’s function Markovian and non-Markovian systems 71.15.-m
Accés en línia:	https://doi.org/10.1088/1367-2630/aa6ccc
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