About: Entangled graphs: Classical correlations in multi-qubit entangled systems

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Bipartite correlations in multiqubit systems cannot be shared freely. The presence of entanglement or classical correlation on certain pairs of qubits may imply correlations on other pairs. We present a method of characterization of bipartite correlations in multiqubit systems using a concept of entangled graphs which has been introduced in our earlier work @M. Plesch and V. Bužek, Phys. Rev. A 67, 012322 ~2003!#. In entangled graphs, each qubit is represented by a vertex while the entanglement and classical correlations are represented by two types of edges. We prove by construction that any entangled graph with classical correlations can be represented by a mixed state of N qubits. However, not all entangled graphs with classical correlations can be represented by a pure state. Bipartite correlations in multiqubit systems cannot be shared freely. The presence of entanglement or classical correlation on certain pairs of qubits may imply correlations on other pairs. We present a method of characterization of bipartite correlations in multiqubit systems using a concept of entangled graphs which has been introduced in our earlier work @M. Plesch and V. Bužek, Phys. Rev. A 67, 012322 ~2003!#. In entangled graphs, each qubit is represented by a vertex while the entanglement and classical correlations are represented by two types of edges. We prove by construction that any entangled graph with classical correlations can be represented by a mixed state of N qubits. However, not all entangled graphs with classical correlations can be represented by a pure state. (en)
Title	Entangled graphs: Classical correlations in multi-qubit entangled systems Entangled graphs: Classical correlations in multi-qubit entangled systems (en)
skos:prefLabel	Entangled graphs: Classical correlations in multi-qubit entangled systems Entangled graphs: Classical correlations in multi-qubit entangled systems (en)
skos:notation	RIV/00216224:14330/03:00008726!RIV/2004/GA0/143304/N
http://linked.open.../vavai/riv/strany	2313-2318
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/01/0413), Z(MSM 143300001)
http://linked.open...iv/cisloPeriodika	01
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Bužek, Vladimír Plesch, Martin
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	605989
http://linked.open...ai/riv/idVysledku	RIV/00216224:14330/03:00008726
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Entanglement theory (en)
http://linked.open.../riv/klicoveSlovo	Entanglement theory
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[291538C4D20A]
http://linked.open...i/riv/nazevZdroje	Physical Review A (Atomic, Molecular, and Optical Physics)
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantum information processing
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	68
http://linked.open...iv/tvurceVysledku	Bužek, Vladimír Plesch, Martin
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20143300001
issn	1094-1622
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	14330

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