Two-fermion bound state in a Bose-Einstein condensate
Weiping Zhang, Han Pu, Chris P. Search, Pierre Meystre, E. M. Wright
Abstract
A nonlinear Schrödinger equation is derived for the dynamics of a beam of ultracold fermionic atoms traversing a Bose-Einstein condensate. The condensate phonon modes are shown to provide a nonlinear medium for the fermionic atoms. A two-fermion bound state is predicted to arise, and the signature of the bound state in a nonlinear atom optics experiment is discussed.
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