Observation of photoassociation spectroscopy of 23Na spinor Bose–Einstein condensate

Wenliang Liu; Ningxuan Zheng; Vladimir Sovkov; Jing Xu; Yuqing Li; Yongming Fu; Peng Li; Jizhou Wu; Jie Ma; Liantuan Xiao; Suotang Jia

doi:10.1039/D2CP00800A

Observation of photoassociation spectroscopy of ²³Na spinor Bose–Einstein condensate

Wenliang Liu,^ab Ningxuan Zheng,^a Vladimir Sovkov,

^ac Jing Xu,^a Yuqing Li,^ab Yongming Fu,

^a Peng Li,^a Jizhou Wu,

*^ab Jie Ma,*^ab Liantuan Xiao^ab and Suotang Jia^ab

Author affiliations

* Corresponding authors

^a State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, China
E-mail: wujz@sxu.edu.cn, mj@sxu.edu.cn

^b Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

^c St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia

Abstract

We report the high-resolution photoassociation (PA) spectroscopy of ²³Na excited from the spin-1 Bose–Einstein Condensate (BEC) to the molecular state of 0g−(P_3/2)v = 4 and 1_g(P_3/2)v = 91. By comparing the PA spectra of different spin configurations, we experimentally studied the effect of spin on the PA spectra. The experimental spectra comply well with the theoretical consideration. The results will play an important role in the study of the spin interaction and control of the antiferromagnetism in Na.

Physical Chemistry Chemical Physics

Observation of photoassociation spectroscopy of ²³Na spinor Bose–Einstein condensate

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Observation of photoassociation spectroscopy of ²³Na spinor Bose–Einstein condensate

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