BOUDA, Jan, Marcin PAWLOWSKI, Matej PIVOLUSKA a Martin PLESCH. Device-independent randomness extraction from an arbitrarily weak min-entropy source. Phys. Rev. A. USA: The American Physical Society, 2014, roč. 90, č. 3, s. 032313-32318. ISSN 1050-2947. Dostupné z: https://dx.doi.org/10.1103/PhysRevA.90.032313. |
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@article{1196486, author = {Bouda, Jan and Pawlowski, Marcin and Pivoluska, Matej and Plesch, Martin}, article_location = {USA}, article_number = {3}, doi = {http://dx.doi.org/10.1103/PhysRevA.90.032313}, keywords = {Device independence; Randomness extraction}, language = {eng}, issn = {1050-2947}, journal = {Phys. Rev. A}, title = {Device-independent randomness extraction from an arbitrarily weak min-entropy source}, url = {http://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.032313}, volume = {90}, year = {2014} }
TY - JOUR ID - 1196486 AU - Bouda, Jan - Pawlowski, Marcin - Pivoluska, Matej - Plesch, Martin PY - 2014 TI - Device-independent randomness extraction from an arbitrarily weak min-entropy source JF - Phys. Rev. A VL - 90 IS - 3 SP - 032313 EP - 032313 PB - The American Physical Society SN - 10502947 KW - Device independence KW - Randomness extraction UR - http://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.032313 L2 - http://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.032313 N2 - Expansion and amplification of weak randomness play a crucial role in many security protocols. Using quantum devices, such procedure is possible even without trusting the devices used, by utilizing correlations between outcomes of parts of the devices. We show here how to extract random bits with an arbitrarily low bias from single arbitrarily weak min-entropy block source in a device independent setting. To do this we use Mermin devices that exhibit super-classical correlations. The number of devices used scales polynomially in the length of the random sequence n. Our protocol is robust, it can tolerate devices that malfunction with probability decreasing polynomially in n at the cost of minor increase in the number of devices used. ER -
BOUDA, Jan, Marcin PAWLOWSKI, Matej PIVOLUSKA a Martin PLESCH. Device-independent randomness extraction from an arbitrarily weak min-entropy source. \textit{Phys. Rev. A}. USA: The American Physical Society, 2014, roč.~90, č.~3, s.~032313-32318. ISSN~1050-2947. Dostupné z: https://dx.doi.org/10.1103/PhysRevA.90.032313.
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