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  • We introduce and investigate a family of entanglement-annihilating channels. These channels are capable of destroying any quantum entanglement within the system they act on. We show that they are not necessarily entanglement breaking. In order to achieve this result we analyze the subset of locally entanglement-annihilating channels. In this case, the same local noise applied on each subsystem individually is less entanglement annihilating (with respect to multi-partite entanglement) as the number of subsystems is increasing. Therefore, the bipartite case provides restrictions on the set of local entanglement-annihilating channels for the multipartite case. The introduced concepts are illustrated on the family of single-qubit depolarizing channels.
  • We introduce and investigate a family of entanglement-annihilating channels. These channels are capable of destroying any quantum entanglement within the system they act on. We show that they are not necessarily entanglement breaking. In order to achieve this result we analyze the subset of locally entanglement-annihilating channels. In this case, the same local noise applied on each subsystem individually is less entanglement annihilating (with respect to multi-partite entanglement) as the number of subsystems is increasing. Therefore, the bipartite case provides restrictions on the set of local entanglement-annihilating channels for the multipartite case. The introduced concepts are illustrated on the family of single-qubit depolarizing channels. (en)
Title
  • Entanglement-annihilating and entanglement-breaking channels
  • Entanglement-annihilating and entanglement-breaking channels (en)
skos:prefLabel
  • Entanglement-annihilating and entanglement-breaking channels
  • Entanglement-annihilating and entanglement-breaking channels (en)
skos:notation
  • RIV/00216224:14330/10:00045753!RIV11-MSM-14330___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021622419)
http://linked.open...iv/cisloPeriodika
  • 27
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
  • 257257
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14330/10:00045753
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Quantum entanglement; quantum channels (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [08018BC73ABD]
http://linked.open...i/riv/nazevZdroje
  • Journal of Physics A: Mathematical and Theoretical
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 43
http://linked.open...iv/tvurceVysledku
  • Ziman, Mário
  • Moravčíková, Lenka
http://linked.open...ain/vavai/riv/wos
  • 000278793100011
http://linked.open...n/vavai/riv/zamer
issn
  • 1751-8113
number of pages
http://localhost/t...ganizacniJednotka
  • 14330
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