Journal Article

FZJ-2017-07571

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Relaxation, thermalization, and Markovian dynamics of two spins coupled to a spin bath

De Raedt, H. (Corresponding author) ; Jin, F.FZJ* ; Katsnelson, M. I. ; Michielsen, K.FZJ*

2017
Inst. Woodbury, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/15979  doi:10.1103/PhysRevE.96.053306

Abstract: It is shown that by fitting a Markovian quantum master equation to the numerical solution of the time-dependent Schrödinger equation of a system of two spin-1/2 particles interacting with a bath of up to 34 spin-1/2 particles, the former can describe the dynamics of the two-spin system rather well. The fitting procedure that yields this Markovian quantum master equation accounts for all non-Markovian effects in as much the general structure of this equation allows and yields a description that is incompatible with the Lindblad equation.

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)
2. JARA - HPC (JARA-HPC)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)
2. Manipulation and dynamics of quantum spin systems (jjsc09_20120501) (jjsc09_20120501)

Appears in the scientific report 2017

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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