Physics – Quantum Physics
Scientific paper
2010-02-25
J. Phys. B: At. Mol. Opt. Phys. 43 (2010) 055501
Physics
Quantum Physics
Scientific paper
We theoretically study the realization of a multi-qubit refined Deutsch-Jozsa (DJ) algorithm using resonant interaction of many Rydberg atoms with a single-mode microwave cavity, in which the multi-qubit controlled phase gates could be accomplished efficiently. We show how to achieve a multi-qubit refined DJ algorithm in high fidelity, even in the case of a weak cavity decay and some imperfection. We argue that the required operations in our scheme are almost within the present experimental possibilities.
Chen Chang Yong
Feng Mang
Xu Zhen Yu
Yang Wan Li
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