Conditions for Collective Decoherence |
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| Authors: | DUAN LuMing GUO GuangCan |
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| Affiliation: | Department of Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | An efficient decoherence-reducing strategy exists if two qubits can be made decohered collectively. This paper serves to derive the explicit conditions for coJJective decoherence from a practical decoherence model. We describe two kinds of collective decoherence. In each case, a corresponding decoherence-reducing strategy is proposed. |
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| Keywords: | decoherence quantum computation quantum information |
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