About: Quantum homogenization and state randomization in semi-quantal spin systems

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We investigate dynamics of semiquantal spin systems in which quantum bits are attached to classically and possibly stochastically moving classical particles. The interaction between the quantum bits takes place when the respective classical particles get close to each other in space. We finnd that with Heisenberg XX couplings quantum homogenization takes place after a time long enough, regardless of the details of the underlying classical dynamics. This is accompanied by the development of a stationary bipartite entanglement. If the information on the details of the motion of a stochastic classical system is disregarded, the stationary state of the whole quantum subsystem is found to be a complete mixture in the studied cases, though the transients depend on the properties of the classical motion. We investigate dynamics of semiquantal spin systems in which quantum bits are attached to classically and possibly stochastically moving classical particles. The interaction between the quantum bits takes place when the respective classical particles get close to each other in space. We finnd that with Heisenberg XX couplings quantum homogenization takes place after a time long enough, regardless of the details of the underlying classical dynamics. This is accompanied by the development of a stationary bipartite entanglement. If the information on the details of the motion of a stochastic classical system is disregarded, the stationary state of the whole quantum subsystem is found to be a complete mixture in the studied cases, though the transients depend on the properties of the classical motion. (en)
Title	Quantum homogenization and state randomization in semi-quantal spin systems Quantum homogenization and state randomization in semi-quantal spin systems (en)
skos:prefLabel	Quantum homogenization and state randomization in semi-quantal spin systems Quantum homogenization and state randomization in semi-quantal spin systems (en)
skos:notation	RIV/00216224:14330/08:00025148!RIV10-GA0-14330___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/07/0603), Z(MSM0021622419)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bužek, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Fakulta informatiky
http://linked.open...dnocenehoVysledku	391267
http://linked.open...ai/riv/idVysledku	RIV/00216224:14330/08:00025148
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Quantum homogenization; state randomization; semi-quantal spin systems (en)
http://linked.open.../riv/klicoveSlovo	Quantum homogenization semi-quantal spin systems state randomization
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E781CDD1526A]
http://linked.open...i/riv/nazevZdroje	Physical Review A
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantum multipartite computation, communication and security
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	77
http://linked.open...iv/tvurceVysledku	Bužek, Vladimír Rapčan, Peter Koniorczyk, Matyas Varga, Arpad
http://linked.open...ain/vavai/riv/wos	000257023900029
http://linked.open...n/vavai/riv/zamer	Highly Parallel and Distributed Computing Systems
issn	1050-2947
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	14330
is http://linked.open...avai/riv/vysledek of	Quantum homogenization and state randomization in semi-quantal spin systems Quantum homogenization and state randomization in semi-quantal spin systems Quantum homogenization and state randomization in semi-quantal spin systems Quantum homogenization and state randomization in semi-quantal spin systems

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