Dynamical Suppression of Nonlocal Decoherence in Two-State Quantum Systems |
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| Authors: | WANG Zhong-Jie and ZHANG Kan |
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| Affiliation: | Department of Physics, Anhui Normal University, Wuhu 241000, China |
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| Abstract: | Nonlocal decoherence of two qubits due to pure phase damping has been investigated. We have proposed a scheme to keep the entanglement of two qubits from nonlocal decoherence. By applying a series of ±π pulses, nonlocal decoherence can be thoroughly suppressed. |
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| Keywords: | entanglement quantum bits dynamical suppression |
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