English

Stable and unstable regimes in Bose-Fermi mixture with attraction between components

Statistical Mechanics 2009-11-11 v1 Disordered Systems and Neural Networks

Abstract

A collapse of the trapped boson- fermion mixture with the attraction between bosons and fermions is investigated in the framework of the effective Hamiltonian for the Bose system. The properties of the 87^{87}Rb and 40^{40}K mixture are analyzed quantitatively at T=0T= 0. We find numerically solutions of modified Gross- Pitaevskii equation which continuously go from stable to unstable branch. We discuss the relation of the onset of collapse with macroscopic properties of the system. A comparison with the case of a Bose condensate of atomic 7Li^7Li system is given.

Keywords

Cite

@article{arxiv.cond-mat/0612572,
  title  = {Stable and unstable regimes in Bose-Fermi mixture with attraction between components},
  author = {A. M. Belemuk and S. -T. Chui and V. N. Ryzhov},
  journal= {arXiv preprint arXiv:cond-mat/0612572},
  year   = {2009}
}

Comments

7 pages, 5 figures