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Phys. Rev. Lett. 88, 137902 (2002) [4 pages]

Experimental Realization of Quantum Games on a Quantum Computer

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Jiangfeng Du1,*, Hui Li1, Xiaodong Xu1, Mingjun Shi1, Jihui Wu2, Xianyi Zhou1, and Rongdian Han1
1Department of Modern Physics, University of Science and Technology of China, Hefei, 230027, People's Republic of China
2Laboratory of Structure of Biology, University of Science and Technology of China, Hefei, 230027, People's Republic of China

Received 23 April 2001; published 12 March 2002

We generalize the quantum prisoner's dilemma to the case where the players share a nonmaximally entangled states. We show that the game exhibits an intriguing structure as a function of the amount of entanglement with two thresholds which separate a classical region, an intermediate region, and a fully quantum region. Furthermore this quantum game is experimentally realized on our nuclear magnetic resonance quantum computer.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.137902
DOI:
10.1103/PhysRevLett.88.137902
PACS:
03.67.Lx, 02.50.Le, 76.60.-k

*Electronic address: djf@ustc.edu.cn Present address: Service de Physique Théorique CP225, Université Libre de Bruxelles, 1050 Brussels, Belgium.