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Non-markovian mesoscopic dissipative dynamics of open quantum spin chains

BENATTI, FABIO
•
CAROLLO, FEDERICO
•
FLOREANINI, ROBERTO
•
Narnhofer, H.
2016
  • journal article

Periodico
PHYSICS LETTERS A
Abstract
We study the dissipative dynamics of Nquantum spins with Lindblad generator consisting of operators scaling as fluctuations, namely with the inverse square-root of N. In the large Nlimit, the microscopic dissipative time-evolution converges to a non-Markovian unitary dynamics on strictly local operators, while at the mesoscopic level of fluctuations it gives rise to a dissipative non-Markovian dynamics. The mesoscopic time-evolution is Gaussian and exhibits either a stable or an unstable asymptotic character; furthermore, the mesoscopic dynamics builds correlations among fluctuations that survive in time even when the original microscopic dynamics is unable to correlate local observables.
DOI
10.1016/j.physleta.2015.10.062
WOS
WOS:000366776300010
Archivio
http://hdl.handle.net/11368/2895716
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84958153849
http://www.sciencedirect.com/science/article/pii/S0375960115009536
Diritti
closed access
FVG url
https://arts.units.it/request-item?handle=11368/2895716
Soggetti
  • Non-markovian dynamic...

  • Open quantum system

  • Quantum central limit...

  • Quantum fluctuation

  • Quantum spin chain

  • Physics and Astronomy...

Scopus© citazioni
9
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
15
Data di acquisizione
Mar 27, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
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