Exact scattering length for a potential of Lennard-Jones type
Universität Oldenburg, Institut für Physik, 26111 Oldenburg, Germany
Corresponding author: a email@example.com
Published online: 8 June 2007
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.
PACS: 03.65.Nk – Scattering theory / 34.20.Cf – Interatomic potentials and forces
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2007