Please use this identifier to cite or link to this item: https://doi.org/10.1088/1367-2630/14/3/033002
Title: Experimental demonstration of quantum gain in a zero-sum game
Authors: Zu, C.
Wang, Y.-X.
Chang, X.-Y.
Wei, Z.-H. 
Zhang, S.-Y.
Duan, L.-M.
Issue Date: Mar-2012
Citation: Zu, C., Wang, Y.-X., Chang, X.-Y., Wei, Z.-H., Zhang, S.-Y., Duan, L.-M. (2012-03). Experimental demonstration of quantum gain in a zero-sum game. New Journal of Physics 14 : -. ScholarBank@NUS Repository. https://doi.org/10.1088/1367-2630/14/3/033002
Abstract: We propose and experimentally demonstrate a zero-sum game that is in a fair Nash equilibrium for classical players, but has the property that a quantum player can always win using an appropriate strategy. The gain of the quantum player is measured experimentally for different quantum strategies and input states. It is found that the quantum gain is maximized by a maximally entangled state, but does not decrease to zero when entanglement disappears. Instead, it links with another kind of quantum correlation described by discord for the qubit case and the connection is demonstrated both theoretically and experimentally. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Source Title: New Journal of Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112434
ISSN: 13672630
DOI: 10.1088/1367-2630/14/3/033002
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