About: Carrying qubits with particles whose noninformational degrees of freedom are nonfactorable

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A directly measurable parameter quantifying effective indistinguishability of particles as a resource for quantum information transfer and processing is proposed. In contrast to commonly used overlap of quantum states of particles, defined only for factorable states, this measure can be generally applied to any joint state of the particles. The relevance of this generalized measure for photons produced in parametric down-conversion has been experimentally verified. The simplest linear-optical quantum-state-transfer protocol, for which this measure directly determines fidelity of the transferred state, was experimentally tested. It has been found that even if some degrees of freedom of two particles are entangled, the particles can still serve as good carriers of qubits. DOI: 10.1103/PhysRevA.87.042327 A directly measurable parameter quantifying effective indistinguishability of particles as a resource for quantum information transfer and processing is proposed. In contrast to commonly used overlap of quantum states of particles, defined only for factorable states, this measure can be generally applied to any joint state of the particles. The relevance of this generalized measure for photons produced in parametric down-conversion has been experimentally verified. The simplest linear-optical quantum-state-transfer protocol, for which this measure directly determines fidelity of the transferred state, was experimentally tested. It has been found that even if some degrees of freedom of two particles are entangled, the particles can still serve as good carriers of qubits. DOI: 10.1103/PhysRevA.87.042327 (en)
Title	Carrying qubits with particles whose noninformational degrees of freedom are nonfactorable Carrying qubits with particles whose noninformational degrees of freedom are nonfactorable (en)
skos:prefLabel	Carrying qubits with particles whose noninformational degrees of freedom are nonfactorable Carrying qubits with particles whose noninformational degrees of freedom are nonfactorable (en)
skos:notation	RIV/61989592:15310/13:33144344!RIV14-GA0-15310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP205/12/0577), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Fikerová, Helena Ježek, Miroslav Filip, Radim Straka, Ivo Mičuda, Michal Dušek, Miloslav Miková, Martina
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	64318
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33144344
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atoms; states; entanglement; photon pairs; quantum interference (en)
http://linked.open.../riv/klicoveSlovo	entanglement atoms quantum interference states photon pairs
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[386C1BC485AF]
http://linked.open...i/riv/nazevZdroje	Physical Review A
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Reliable highly nonlinear quantum information processing of light
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	87
http://linked.open...iv/tvurceVysledku	Filip, Radim Ježek, Miroslav Dušek, Miloslav Mičuda, Michal Straka, Ivo Miková, Martina Fikerová, Helena
http://linked.open...ain/vavai/riv/wos	000317908100001
issn	1050-2947
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevA.87.042327
http://localhost/t...ganizacniJednotka	15310

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