Calculation of the interspecies s-wave scattering length in an ultracold Na-Rb vapor

Details Calculation of the interspecies s-wave scattering length in an ultracold Na-Rb vapor Calculation of the interspecies s-wave scattering length in an ultracold Na-Rb vapor

2003-03-03

arxiv.org/abs/physics/0303006v2

S. B. Weiss, M. Bhattacharya, and N. P. Bigelow, Phys. Rev. A {\bf 68}, 042708 (2003)

Physics

Atomic Physics

v2: report correct units in Table captions, fix error in conclusions for $^{23}$Na$^{85}$Rb TBEC. Otherwise, more concise pres

Scientific paper

10.1103/PhysRevA.68.042708

We report the calculation of the interspecies scattering length for the sodium-rubidium (Na-Rb) system. We present improved hybrid potentials for the singlet $X^1\Sigma^+$ and triplet $a^3\Sigma^+$ ground states of the NaRb molecule, and calculate the singlet and triplet scattering lengths $a_{s}$ and $a_{t}$ for the isotopomers $^{23}$Na$^{87}$Rb and $^{23}$Na$^{85}$Rb. Using these values, we assess the prospects for producing a stable two-species Bose-Einstein condensate in the Na-Rb system.

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