Author： Qing-Shou Tan Lan Xu Le-Man Kuang
Publisher： IOP Publishing
ISSN： 1674-1056
Source： Chinese Physics B, Vol.22, Iss.1, 2013-01, pp. : 10304-10307
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Abstract
We study exciton transfer dynamics in a trimer system by investigating excitation transfer probability (ETP). We calculate ETP in the zero-temperature limit and theoretically predict the environment-assisted quantum critical effect, in which ETP exhibits a sudden change at the critical point of quantum phase transition for the trimer. In particular, we find that the steady-state ETP can be observed in the presence of the environment interaction.
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