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70128 |
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|a Lee, Chee Kong
|e author
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|a Massachusetts Institute of Technology. Department of Chemistry
|e contributor
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|a Cao, Jianshu
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|a Cao, Jianshu
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|a Kwek, Leong Chuan
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|a Cao, Jianshu
|e author
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|a Stochastic resonance of quantum discord
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|b American Physical Society,
|c 2012-04-25T15:18:30Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/70128
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|a We study the stochastic resonance of quantum discord ("discord resonance") in coupled quantum systems and make a comparison with the stochastic resonance of entanglement ("entanglement resonance"). It is found that the discord resonance is much more robust against dephasing noise and thermal effects than the entanglement resonance. We also show that, unlike the entanglement resonance, the level of dissipation at which the discord resonance occurs is not sensitive to dephasing noise. These results suggest that it is easier to detect the discord resonance in actual experiments, where the dephasing noise and temperature are difficult to control.
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|a National Institutes of Health (U.S.) (NSF Grant No. CHE-1112825)
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|a Singapore. National Research Foundation
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|a United States. Defense Advanced Research Projects Agency (Grant No. N99001-10-1-4063)
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|a United States. Dept. of Energy (Center of Excitonics)
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|a United States. Dept. of Energy (Office of Science, and Office of Basic Energy Sciences under Award Number DE-SC0001088)
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|a en_US
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|a Article
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|t Physical Review A
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