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

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 ${}^{87}$Rb and ${}^{40}$K mixture are analyzed quantitatively at $T=0$. 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 ${}^{7}Li$ system is given.

7 pages, 5 figures

References in corpus (1)

• Interaction-driven Dynamics of 40K / 87Rb Fermi-Bose Gas Mixtures in the Large Particle Number Limit

Cited by in corpus (4)

• Few-body Bose gases in low dimensions -- a laboratory for quantum dynamics
• Sound propagation in a Bose-Fermi mixture: from weak to strong interactions
• Condensation of Cooper Triples
• Tunable Fujita-Miyazawa-Type Three-Body Force in Ultracold Atoms