Please use this identifier to cite or link to this item: https://doi.org/10.1088/1367-2630/18/2/025021
Title: All the self-testings of the singlet for two binary measurements
Authors: Wang, Y 
Wu, X
Scarani, V 
Keywords: Physics
Research
Binary measurements
CHSH
device-independent
Input-output
MayersYao
Quantum device
Self-testing
Two-qubit
Quantum theory
Issue Date: 2016
Publisher: Institute of Physics Publishing
Citation: Wang, Y, Wu, X, Scarani, V (2016). All the self-testings of the singlet for two binary measurements. New Journal of Physics 18 (2) : 25021. ScholarBank@NUS Repository. https://doi.org/10.1088/1367-2630/18/2/025021
Abstract: Self-testing refers to the possibility of characterizing uniquely (up to local isometries) the state and measurements contained in quantum devices, based only on the observed input-output statistics. Already in the basic case of the two-qubit singlet, self-testing is not unique: the two known criteria (the maximal violation of the CHSH inequality and the Mayers-Yao correlations) are not equivalent. It is unknown how many criteria there are. In this paper, we find the whole set of criteria for the ideal self-testing of a singlet with two measurements and two outcomes on each side; it coincides with all the extremal points of the quantum set that can be obtained by measuring the singlet. © 2016 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Source Title: New Journal of Physics
URI: https://scholarbank.nus.edu.sg/handle/10635/175263
ISSN: 1367-2630
DOI: 10.1088/1367-2630/18/2/025021
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