Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation

doi:10.1088/1674-1056/27/11/114207

中国物理B ›› 2018, Vol. 27 ›› Issue (11): 114207-114207.doi: 10.1088/1674-1056/27/11/114207

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation

Yan-Yi Wang(王彦懿), Mao-Fa Fang(方卯发)

Synergetic Innovation Center for Quantum Effects and Application, and Key Laboratory of Low-Dimensional Quantum Structures andQuantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, China

收稿日期:2018-06-03 修回日期:2018-08-20 出版日期:2018-11-05 发布日期:2018-11-05
通讯作者: Mao-Fa Fang E-mail:mffang@hunnu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11374096).

Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation

Yan-Yi Wang(王彦懿), Mao-Fa Fang(方卯发)

Synergetic Innovation Center for Quantum Effects and Application, and Key Laboratory of Low-Dimensional Quantum Structures andQuantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, China

Received:2018-06-03 Revised:2018-08-20 Online:2018-11-05 Published:2018-11-05
Contact: Mao-Fa Fang E-mail:mffang@hunnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11374096).

摘要/Abstract

摘要：

We investigate the entropy squeezing of a two-level atom in the Jaynes-Cummings model, and provide a scheme to generate the sustained optimal entropy squeezing of the atom via non-Hermitian operation. Our results show that the squeezing degree and the persistence time of entropy squeezing of atomic polarization components greatly depend on the non-Hermiticity intensity in non-Hermitian operation. Especially, under a proper choice of non-Hermiticity parameters, the sustained optimal entropy squeezing of the atom can be generated even though the atom is initially prepared in a no entropy squeezing state.

关键词: entropy squeezing, non-Hermitian dynamics, quantum optics, Jaynes-Cummings model

Abstract:

Key words: entropy squeezing, non-Hermitian dynamics, quantum optics, Jaynes-Cummings model

中图分类号: (Quantum optics)

42.50.-p

03.67.Lx (Quantum computation architectures and implementations) 03.67.-a (Quantum information)

王彦懿, 方卯发. Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation[J]. 中国物理B, 2018, 27(11): 114207-114207.

Yan-Yi Wang(王彦懿), Mao-Fa Fang(方卯发). Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation[J]. Chin. Phys. B, 2018, 27(11): 114207-114207.

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Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation

Generation of sustained optimal entropy squeezing of a two-level atom via non-Hermitian operation

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