Exciton transfer dynamics in a trimer system

doi:10.1088/1674-1056/22/1/010304

Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (1): 10304-010304.doi: 10.1088/1674-1056/22/1/010304

Exciton transfer dynamics in a trimer system

谭庆收^a, 许兰^b, 匡乐满^a

a Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081, China;
b Department of Mathematics and Science, Hunan First Normal University, Changsha 410205, China

收稿日期:2012-05-29 修回日期:2012-06-30 出版日期:2012-12-01 发布日期:2012-12-01
基金资助:
Project supported by the National Natural Science Foundation (Grant No. 11075050), the National Basic Research Program of China (Grant No. 2013CB921804), the Program for Changjiang Scholars and Innovative Research Team in University, China (Grant No. IRT0964), and the Hunan Provincial National Science Foundation, China (Grant No. 11JJ7001).

Exciton transfer dynamics in a trimer system

Tan Qing-Shou (谭庆收)^a, Xu Lan (许兰)^b, Kuang Le-Man (匡乐满)^a

a Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081, China;
b Department of Mathematics and Science, Hunan First Normal University, Changsha 410205, China

Received:2012-05-29 Revised:2012-06-30 Online:2012-12-01 Published:2012-12-01
Contact: Kuang Le-Man E-mail:lmkuang@hunnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation (Grant No. 11075050), the National Basic Research Program of China (Grant No. 2013CB921804), the Program for Changjiang Scholars and Innovative Research Team in University, China (Grant No. IRT0964), and the Hunan Provincial National Science Foundation, China (Grant No. 11JJ7001).

摘要/Abstract

摘要： 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.

关键词: exciton transfer, quantum phase transition, trimer system

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.

Key words: exciton transfer, quantum phase transition, trimer system

中图分类号: (Decoherence; open systems; quantum statistical methods)

03.65.Yz

05.60.Gg (Quantum transport) 71.35.-y (Excitons and related phenomena)

谭庆收, 许兰, 匡乐满. Exciton transfer dynamics in a trimer system[J]. Chin. Phys. B, 2013, 22(1): 10304-010304.

Tan Qing-Shou (谭庆收), Xu Lan (许兰), Kuang Le-Man (匡乐满). Exciton transfer dynamics in a trimer system[J]. Chin. Phys. B, 2013, 22(1): 10304-010304.

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Exciton transfer dynamics in a trimer system

Exciton transfer dynamics in a trimer system

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