Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction

doi:10.1088/1674-1056/24/9/090308

中国物理B ›› 2015, Vol. 24 ›› Issue (9): 90308-090308.doi: 10.1088/1674-1056/24/9/090308

Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction

吕昊^{a b}, 朱少兵^{a b}, 钱军^a, 王育竹^a

a Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2015-03-10 修回日期:2015-04-23 出版日期:2015-09-05 发布日期:2015-09-05
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2011CB921504) and the National Natural Science Foundation of China (Grant No. 11104292).

Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction

Lü Hao (吕昊)^{a b}, Zhu Shao-Bing (朱少兵)^{a b}, Qian Jun (钱军)^a, Wang Yu-Zhu (王育竹)^a

a Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

Received:2015-03-10 Revised:2015-04-23 Online:2015-09-05 Published:2015-09-05
Contact: Qian Jun E-mail:jqian@mail.siom.ac.cn
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2011CB921504) and the National Natural Science Foundation of China (Grant No. 11104292).

摘要/Abstract

摘要：

Interaction between Rydberg atoms can be used to control the properties of interatomic interaction in ultracold gases by weakly dressing the atoms with a Rydberg state. Here we investigate the effect of the Rydberg-dressing interaction on the ground-state properties of a Bose-Einstein condensate imposed by Raman-induced spin-orbit coupling. We find that, in the case of SU(2)-invariant s-wave interactions, the gas is only in the plane-wave phase and the zero-momentum phase is absent. In particular, we also predict an unexpected magnetic stripe phase composed of two plane-wave components with unequal weight when s-wave interactions are non-symmetric, which originates from the Rydberg-dressing interaction.

关键词: Bose-Einstein condensation, spin-orbit coupling, Rydberg-dressing gas, quantum phase transition

Abstract:

Key words: Bose-Einstein condensation, spin-orbit coupling, Rydberg-dressing gas, quantum phase transition

中图分类号: (Multicomponent condensates; spinor condensates)

03.75.Mn

05.30.Jp (Boson systems) 32.80.Rm (Multiphoton ionization and excitation to highly excited states)

吕昊, 朱少兵, 钱军, 王育竹. Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction[J]. 中国物理B, 2015, 24(9): 90308-090308.

Lü Hao (吕昊), Zhu Shao-Bing (朱少兵), Qian Jun (钱军), Wang Yu-Zhu (王育竹). Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction[J]. Chin. Phys. B, 2015, 24(9): 90308-090308.

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Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction

Spin-orbit coupled Bose-Einstein condensates with Rydberg-dressing interaction

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