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Exact scattering length for a potential of Lennard-Jones type
Authors:J Pade
Institution:1.Universität Oldenburg, Institut für Physik,Oldenburg,Germany
Abstract:For a modified Lennard-Jones interaction potential of the form ∼(r0/r)2n-2-(r0/r)n], an exact and simple expression for the s-wave scattering length is presented, and discussed in some detail. For heavy alkali atoms, which nowadays are routinely being employed to produce Bose-Einstein condensates, this potential is well compatible with known experimental data when n = 6.
Keywords:03  65  Nk Scattering theory  34  20  Cf Interatomic potentials and forces
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