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Statements

Subject Item
n2:RIV%2F00216224%3A14330%2F14%3A00073817%21RIV15-MSM-14330___
rdf:type
n3:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0375960114008032
dcterms: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.
dcterms:title
Device-independent randomness amplification with a single device Device-independent randomness amplification with a single device
skos:prefLabel
Device-independent randomness amplification with a single device Device-independent randomness amplification with a single device
skos:notation
RIV/00216224:14330/14:00073817!RIV15-MSM-14330___
n4:aktivita
n13:S n13:P
n4:aktivity
P(GAP202/12/1142), S
n4:cisloPeriodika
40
n4:dodaniDat
n15:2015
n4:domaciTvurceVysledku
n5:9279148 n5:3626423
n4:druhVysledku
n8:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n11:predkladatel
n4:idSjednocenehoVysledku
11100
n4:idVysledku
RIV/00216224:14330/14:00073817
n4:jazykVysledku
n9:eng
n4:klicovaSlova
Device independence; Randomness extraction
n4:klicoveSlovo
n7:Randomness%20extraction n7:Device%20independence
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[89FDE8477765]
n4:nazevZdroje
Physics Letters A
n4:obor
n14:IN
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n20:GAP202%2F12%2F1142
n4:rokUplatneniVysledku
n15:2014
n4:svazekPeriodika
378
n4:tvurceVysledku
Plesch, Martin Pivoluska, Matej
n4:wos
000342548800004
s:issn
0375-9601
s:numberOfPages
7
n18:doi
10.1016/j.physleta.2014.08.007
n12:organizacniJednotka
14330