Low-energy resonances and bound states of aligned bosonic and fermionic dipoles

Details Low-energy resonances and bound states of aligned bosonic and fermionic dipoles Low-energy resonances and bound states of aligned bosonic and fermionic dipoles

2008-06-24

arxiv.org/abs/0806.3991v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.78.040703

The low-energy scattering properties of two aligned identical bosonic and identical fermionic dipoles are analyzed. Generalized scattering lengths are determined as functions of the dipole moment and the scattering energy. Near resonance, where a new bound state is being pulled in, all non-vanishing generalized scattering lengths diverge, with the $a_{00}$ and $a_{11}$ scattering lengths being dominant for identical bosons and identical fermions, respectively, near both broad and narrow resonances. Implications for the energy spectrum and the eigenfunctions of trapped two-dipole systems and for pseudo-potential treatments are discussed.

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