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Calculation of scattering parameters for ultracold 6Li–7Li elastic collisions |
| Zhang Ji-Cai(张计才)a)†,Sun Jin-Feng(孙金锋)a)b), and Liu Yu-Fang(刘玉芳)a) |
| a College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China; b Department of Physics, Luoyang Normal College, Luoyang 471022, China |
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Abstract This paper theoretically studies the elastic scattering properties in a mixture of 6Li and 7Li atoms at cold and ultracold temperatures. Based on the constructed accurate interatomic potential of the triplet state for 6Li7Li mixture by the mass scaling method, it calculates the interspecies s-wave scattering lengths and the p-wave scattering lengths by the variable phase method and the semiclassical method, respectively. The scattering length is in good agreement with the experiment. The partial-wave and total cross sections are also calculated and a rich resonance structure is found.
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Received: 28 May 2010
Revised: 09 August 2010
Accepted manuscript online:
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PACS:
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34.10.+x
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(General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.))
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34.20.Cf
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(Interatomic potentials and forces)
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34.50.Cx
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(Elastic; ultracold collisions)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10574039) and the Innovation Scientists and Technicians Troop Construction Projects of Henan Province of China (Grant No. 084100510011). |
Cite this article:
Zhang Ji-Cai(张计才), Sun Jin-Feng(孙金锋), and Liu Yu-Fang(刘玉芳) Calculation of scattering parameters for ultracold 6Li–7Li elastic collisions 2011 Chin. Phys. B 20 023401
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