Chin. Phys. Lett.  2015, Vol. 32 Issue (08): 080305    DOI: 10.1088/0256-307X/32/8/080305
GENERAL |
Effect of Quantum Coins on Two-Particle Quantum Walks
GAN Shu**, HE Xing-Dao, LIU Bin, FENG Cui-Di
Key Laboratory of Nondestructive Test (Ministry of Education), Nanchang Hangkong University, Nanchang 330063
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GAN Shu, HE Xing-Dao, LIU Bin et al  2015 Chin. Phys. Lett. 32 080305
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Abstract We numerically study the effect of the quantum coins on the two-particle quantum walks on an infinite line. Both non-interacting and interacting particles are considered. The joint probability as well as the bunching or anti-bunching behavior are greatly affected by the phase factors in the coin operation. Further, the spatial correlation can be maximized by choosing appropriate coin parameters. The entanglement between the two particles can be adjusted in the same manner.
Received: 06 February 2015      Published: 02 September 2015
PACS:  03.67.Bg (Entanglement production and manipulation)  
  05.30.-d (Quantum statistical mechanics)  
  05.40.Fb (Random walks and Levy flights)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/32/8/080305       OR      https://cpl.iphy.ac.cn/Y2015/V32/I08/080305
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GAN Shu
HE Xing-Dao
LIU Bin
FENG Cui-Di
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