Elastic scattering of sodium and cesium atoms at ultracold temperatures

doi:10.1088/1674-1056/20/9/093401

Abstract The elastic scattering properties in a mixture of sodium and cesium atoms are investigated at cold and ultracold temperatures. Based on the accurate interatomic potential for the NaCs mixture, the interspecies s-wave scattering lengths, the effective ranges and the p-wave scattering lengths are calculated by the quantal method and the semiclassical method, respectively. The s-wave scattering lengths are 512.7a₀ for the singlet state and 33.4a₀ for the triplet state. In addition, the spin-change and elastic cross sections are also calculated, and the g-wave shape resonance is found in the total elastic cross sections.

Keywords: elastic scattering s-wave scattering length spin-change cross section

Received: 01 January 2011
Revised: 01 April 2011
Accepted manuscript online:

PACS:	34.10.+x	(General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.))
	34.20.Cf	(Interatomic potentials and forces)
	34.50.Cx	(Elastic; ultracold collisions)

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Zhang Ji-Cai(张计才), Wang Ke-Dong(王克栋), Liu Yu-Fang(刘玉芳), and Sun Jin-Feng(孙金锋) Elastic scattering of sodium and cesium atoms at ultracold temperatures 2011 Chin. Phys. B 20 093401

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Elastic scattering of sodium and cesium atoms at ultracold temperatures

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