Entropy squeezing for three-level atom interacting with a single-mode field

doi:10.1088/1674-1056/28/6/060304

中国物理B ›› 2019, Vol. 28 ›› Issue (6): 60304-060304.doi: 10.1088/1674-1056/28/6/060304

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Entropy squeezing for three-level atom interacting with a single-mode field

Fei-Fan Liu(刘非凡), Mao-Fa Fang(方卯发), Xiong Xu(许雄)

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

收稿日期:2019-01-02 修回日期:2019-03-27 出版日期:2019-06-05 发布日期:2019-06-05
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).

Entropy squeezing for three-level atom interacting with a single-mode field

Fei-Fan Liu(刘非凡), Mao-Fa Fang(方卯发), Xiong Xu(许雄)

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

Received:2019-01-02 Revised:2019-03-27 Online:2019-06-05 Published:2019-06-05
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：

The entropy squeezing for a three-level atom interacting with a single-model field is studied. A general definition of entropy squeezing for three-level atom is given according to entropic uncertainty relation of three-level system, and the calculation formalism of entropy is derived for a cascade three-level atom. By using numerical calculation, the entropy squeezing properties of a cascade three-level atom are examined. Our results show that, three-level atom can generate obvious entropy squeezing effect via choosing appropriate superposition state of three-level atom. Our results are meaningful for preparing three-level system information resources with ultra-low quantum noise.

关键词: variance squeezing, entropy squeezing, three-level atom

Abstract:

Key words: variance squeezing, entropy squeezing, three-level atom

中图分类号: (Quantum information)

03.67.-a

03.65.Yz (Decoherence; open systems; quantum statistical methods)

刘非凡, 方卯发, 许雄. Entropy squeezing for three-level atom interacting with a single-mode field[J]. 中国物理B, 2019, 28(6): 60304-060304.

Fei-Fan Liu(刘非凡), Mao-Fa Fang(方卯发), Xiong Xu(许雄). Entropy squeezing for three-level atom interacting with a single-mode field[J]. Chin. Phys. B, 2019, 28(6): 60304-060304.

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Entropy squeezing for three-level atom interacting with a single-mode field

Entropy squeezing for three-level atom interacting with a single-mode field

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