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|Title:||All the self-testings of the singlet for two binary measurements||Authors:||Wang, Y
|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|
|Appears in Collections:||Staff Publications|
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