Sign Flip in Giorgi-Pasquale-Paganelli Model |
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| Authors: | ZHANG Zhan-Jun WANG Zhang-Yin WANG Dong SHI Shou-Hua |
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| Institution: | 1. School of Physics and Material Science, Anhui University, Hefei 230039, China
;2. Wuhan Institute of Physics and Mathematics,
the Chinese Academy of Sciences, Wuhan 430071, China |
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| Abstract: | Taking advantage of our improved gates as well as the
Giorgi-Pasquale-Paganelli (GPP) nondestructive gate Phys. Rev. A
70 (2004) 022319], the sign of any term of the initial
state in the GPP model can be flipped. The success possibility of
the sign flip of odd number of terms is probabilistic (1/4),
while the success possibility of the sign flip of even number of terms is
deterministic (1). |
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| Keywords: | sign flip Giorgi-Pasquale-Paganelli model non-destructive gate |
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