Controlling Coherence Transfer of Dimer Interacting with Independent Environments |
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| Authors: | Fang Su Zhong-xiao Man |
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| Affiliation: | 1.Department of Chemistry and Chemical Engineering, Jining University, Jining 273155, China2.Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics, Qufu Normal University, Qufu 273165, China |
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| Abstract: | We study the coherence transfer between two pigments (donor and acceptor) of a dimer interacting with two independent environments. By means of a prior weak measurement on the donor and a post measurement, which is either a reversal measurement or a weak measurement, on the acceptor, we present a scheme to optimally control the transfer of the donor's coherence to the acceptor. We construct explicit relationships for the two measure-ment strengths and the evolution time, by which the coherence degree of the acceptor can approach the maximum value 0.5 at the cost of a decreased probability. |
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| Keywords: | Dimer Coherence Quantum weak measurement Quantum reversal measurement |
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