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  • We investigate the optimal distribution of quantum information over multipartite systems in asymmetric settings. We introduce cloning transformations that take N identical replicas of a pure state in any dimension as input and yield a collection of clones with nonidentical fidelities. As an example, if the clones are partitioned into a set of M-A clones with fidelity F-A and another set of M-B clones with fidelity F-B, the trade-off between these fidelities is analyzed, and particular cases of optimal N -> M-A+M-B cloning machines are exhibited. We also present an optimal 1 -> 1+1+1 cloning machine, which is an example of a tripartite fully asymmetric cloner. Finally, it is shown how these cloning machines can be optically realized.
  • We investigate the optimal distribution of quantum information over multipartite systems in asymmetric settings. We introduce cloning transformations that take N identical replicas of a pure state in any dimension as input and yield a collection of clones with nonidentical fidelities. As an example, if the clones are partitioned into a set of M-A clones with fidelity F-A and another set of M-B clones with fidelity F-B, the trade-off between these fidelities is analyzed, and particular cases of optimal N -> M-A+M-B cloning machines are exhibited. We also present an optimal 1 -> 1+1+1 cloning machine, which is an example of a tripartite fully asymmetric cloner. Finally, it is shown how these cloning machines can be optically realized. (en)
  • Je studována optimální asymetrická distribuce kvantové informace meziněkolik příjemců. Je definována obecná asymetrická kvantová kopírovacítransformace, jež z N replik daného stavu produkuje M přibližných kopií,přičemž každá kopie může mít jinou fidelity. Je prezentováno několikexplicitních příkladů těchto asymetrických kvantových kopírovacíchpřístrojů a jsou navržena schémata pro jejich optickou realizaci. (cs)
Title
  • Multipartite asymmetric quantum cloning
  • Asymetrické kvantové kopírování (cs)
  • Multipartite asymmetric quantum cloning (en)
skos:prefLabel
  • Multipartite asymmetric quantum cloning
  • Asymetrické kvantové kopírování (cs)
  • Multipartite asymmetric quantum cloning (en)
skos:notation
  • RIV/61989592:15310/05:00002155!RIV06-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 042328-1-4
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 531643
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/05:00002155
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • quantrum cloning; asymetric (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [4EDF4E773DE6]
http://linked.open...i/riv/nazevZdroje
  • Physical Review A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 72
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
  • Fiurášek, Jaromír
  • Cerf, Nicolas J.
  • Gisin, Nicolas
  • Acín, Antonio
  • Iblisdir, Sofyan
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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