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Description
  • Expansion and amplification of weak randomness with untrusted quantum devices has recently become a very fruitful topic of research. Here we contribute with a procedure for amplifying a single weak random source using tri-partite GHZ-type entangled states. If the quality of the source reaches a fixed threshold R=log2 (10)R=log2 (10), perfect random bits can be produced. This technique can be used to extract randomness from sources that can't be extracted neither classically, nor by existing procedures developed for Santha–Vazirani sources. Our protocol works with a single fault-free device decomposable into three non-communicating parts, that is repeatedly reused throughout the amplification process.
  • Expansion and amplification of weak randomness with untrusted quantum devices has recently become a very fruitful topic of research. Here we contribute with a procedure for amplifying a single weak random source using tri-partite GHZ-type entangled states. If the quality of the source reaches a fixed threshold R=log2 (10)R=log2 (10), perfect random bits can be produced. This technique can be used to extract randomness from sources that can't be extracted neither classically, nor by existing procedures developed for Santha–Vazirani sources. Our protocol works with a single fault-free device decomposable into three non-communicating parts, that is repeatedly reused throughout the amplification process. (en)
Title
  • Device-independent randomness amplification with a single device
  • Device-independent randomness amplification with a single device (en)
skos:prefLabel
  • Device-independent randomness amplification with a single device
  • Device-independent randomness amplification with a single device (en)
skos:notation
  • RIV/00216224:14330/14:00073817!RIV15-MSM-14330___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP202/12/1142), S
http://linked.open...iv/cisloPeriodika
  • 40
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
  • 11100
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14330/14:00073817
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Device independence; Randomness extraction (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [89FDE8477765]
http://linked.open...i/riv/nazevZdroje
  • Physics Letters A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 378
http://linked.open...iv/tvurceVysledku
  • Plesch, Martin
  • Pivoluska, Matej
http://linked.open...ain/vavai/riv/wos
  • 000342548800004
issn
  • 0375-9601
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.physleta.2014.08.007
http://localhost/t...ganizacniJednotka
  • 14330
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