Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.109.160404
Title: Effects of reduced measurement independence on bell-based randomness expansion
Authors: Koh, D.E.
Hall, M.J.W.
Setiawan 
Pope, J.E.
Marletto, C.
Kay, A. 
Scarani, V. 
Ekert, A. 
Issue Date: 18-Oct-2012
Source: Koh, D.E., Hall, M.J.W., Setiawan, Pope, J.E., Marletto, C., Kay, A., Scarani, V., Ekert, A. (2012-10-18). Effects of reduced measurement independence on bell-based randomness expansion. Physical Review Letters 109 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.109.160404
Abstract: With the advent of quantum information, the violation of a Bell inequality is used to witness the absence of an eavesdropper in cryptographic scenarios such as key distribution and randomness expansion. One of the key assumptions of Bell's theorem is the existence of experimental "free will," meaning that measurement settings can be chosen at random and independently by each party. The relaxation of this assumption potentially shifts the balance of power towards an eavesdropper. We consider a no-signaling model with reduced "free will" and bound the adversary's capabilities in the task of randomness expansion. © 2012 American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/112425
ISSN: 00319007
DOI: 10.1103/PhysRevLett.109.160404
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