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Locality and nonlocality of classical restrictions of quantum spin systems with applications to quantum large deviations and entanglement
- 1.0452216 - FZÚ 2016 RIV US eng J - Journal Article
De Roeck, W. - Maes, C. - Netočný, Karel - Schütz, M.
Locality and nonlocality of classical restrictions of quantum spin systems with applications to quantum large deviations and entanglement.
Journal of Mathematical Physics. Roč. 56, č. 2 (2015), "023301-1"-"023301-30". ISSN 0022-2488. E-ISSN 1089-7658
Institutional support: RVO:68378271
Keywords : quantum systems * quantum large deviations * entanglement * cluster expansions
Subject RIV: BE - Theoretical Physics
Impact factor: 1.234, year: 2015
We study effective potentials for classical projections of spatially extended quantum systems. We provide sufficient conditions for their (quasi)locality and examples where it is broken. Relations to quantum large fluctuations and localizable entanglement are also discussed.
Permanent Link: http://hdl.handle.net/11104/0253251
Number of the records: 1