Journal Article/Contribution to a conference proceedings

FZJ-2016-05776

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Quantum Decoherence and Thermalization at Finite Temperatures of Non-Degenerate Spin Systems via Small Spin Environments

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

2016
IOP Publ. Bristol

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Please use a persistent id in citations: http://hdl.handle.net/2128/12669  doi:10.1088/1742-6596/750/1/012021

Abstract: We study the case of a small quantum spin system S with a non-degenerate groundstate coupled to a small quantum spin bath. Finite temperature measures for both quantum decoherence and thermalization are studied. The computational results, obtained from exact diagonalization, compare well with a recent perturbation theory prediction, even when the system and bath are of comparable sizes.

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)

Appears in the scientific report 2016

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Database coverage:
; ; ; ; DOAJ Seal ; Nationallizenz ; SCOPUS

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