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An improved phase error tolerance in Quantum search algorithm | | Jin-Yuan Hsieh
; Che-Ming Li
; Der-San Chuu
; | | Date: |
11 Sep 2002 | | Journal: | Chinese Journal of Physics, v. 42, no. 5, 585 (2004) | | Subject: | quant-ph | | Abstract: | As the matching condition in Grover search algorithm is transgressed due to inevitable errors in phase inversions, it gives a reduction in maximum probability of success. With a given degree of maximum success, we have derive the generalized and imroved criterion for tolerated error and corresponding size of quantum database under the inevitable gate imperfections. The vanished inaccurancy to this condition has also been shown. Besides, a concise formula for evaluating minimum number of iterations is also presented in this work. | | Source: | arXiv, quant-ph/0209073 | | Services: | Forum | Review | PDF | Favorites | |
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