Creation of <sup>174</sup>Yb Bose–Einstein Condensates in a Crossed FORT

doi:10.1088/0256-307X/31/8/086701

Chin. Phys. Lett.

2014, Vol. 31

Issue (08): 086701 DOI: 10.1088/0256-307X/31/8/086701

CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES

Creation of ¹⁷⁴Yb Bose–Einstein Condensates in a Crossed FORT

ZHANG Meng-Jiao^1,2, ZHANG Xi^1,2, LIU Hui^1,2, XIONG Zhuan-Xian^1**, LV Bao-Long¹, HE Ling-Xiang¹

¹Key Laboratory of Atomic Frequency Standards, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
²University of Chinese Academy of Sciences, Beijing 100049

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ZHANG Meng-Jiao, ZHANG Xi, LIU Hui et al 2014 Chin. Phys. Lett. 31 086701

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Abstract Quantum degenerate gases of alkaline-earth-like atoms are unique systems used for quantum simulation, quantum computing and studies of quantum phase transitions. We report an all-optical formation of Bose–Einstein condensates of ytterbium atoms. About 10⁶ atoms of ¹⁷⁴Yb are transferred to a far-off-resonance optical trap (FORT) and then cooled by evaporative cooling. Phase transition occurs at the critical temperature of 520 nK. A pure condensate containing approximately 2×10⁴ atoms has been obtained in the crossed FORT, with an atomic peak density of ～8×10¹⁴ cm^?3. The condensate lifetime exceeds 1 s.

PACS:

67.85.Hj

(Bose-Einstein condensates in optical potentials)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/8/086701 OR https://cpl.iphy.ac.cn/Y2014/V31/I08/086701

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	ZHANG Meng-Jiao
	ZHANG Xi
	LIU Hui
	XIONG Zhuan-Xian
	LV Bao-Long
	HE Ling-Xiang

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