| ATOMIC AND MOLECULAR PHYSICS |
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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** |
1State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084
2Collaborative Innovation Center of Quantum Matter, Beijing 100084
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| Cite this article: |
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Xiao-Bin Ma, Zhu-Xiong Ye, Li-Yang Xie et al 2019 Chin. Phys. Lett. 36 073401 |
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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.
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Received: 16 May 2019
http://cpl.iphy.ac.cn/10.1088/0256-307X/36/10/109902
Published: 20 June 2019
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| PACS: |
34.50.Cx
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(Elastic; ultracold collisions)
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67.85.-d
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(Ultracold gases, trapped gases)
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67.85.Pq
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(Mixtures of Bose and Fermi gases)
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| Fund: Supported by the National Key Research and Development Program of China under Grant Nos 2018YFA0306503 and 2018YFA0306504, and the National Natural Science Foundation of China under Grant Nos 91636213, 91736311, 11574177, 91836302 and 11654001. |
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