Measurement of S-Wave Scattering Length between $^6$Li and $^{88}$Sr Atoms Using Interspecies Thermalization in an Optical Dipole Trap
Xiao-Bin Ma1 , Zhu-Xiong Ye1 , Li-Yang Xie1 , Zhen Guo1 , Li You1,2** , Meng Khoon Tey1,2**
1 State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 1000842 Collaborative Innovation Center of Quantum Matter, Beijing 100084
Abstract ：We report the creation of the first mixture of $^6$Li and $^{88}$Sr atoms in an optical dipole trap. Using this mixture, a measurement of the interspecies thermalization process is carried out and the previously unknown interspecies s-wave scattering length between $^6$Li and $^{88}$Sr atoms is extracted to be $|a_{\rm ^6Li-^{88}Sr}|=(380^{+160}_{-100})a_0$ with $a_0$ being the Bohr radius from the rate of interspecies thermalization.
收稿日期: 2019-05-16
http://cpl.iphy.ac.cn/10.1088/0256-307X/36/10/109902
出版日期: 2019-06-20
:
34.50.Cx
(Elastic; ultracold collisions)
67.85.-d
(Ultracold gases, trapped gases)
67.85.Pq
(Mixtures of Bose and Fermi gases)
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2019, Vol. 36 
