Collapse in boson-fermion mixtures with all-repulsive interactions
  We describe the collapse of the bosonic component in a boson-fermion mixture due to the pressure exerted on them by a large fermionic component, leading to collapse in a system with all-repulsive interactions. We describe the phenomena early collapse and of super-slow collapse of the mixture. 
Vladyslav I. Prytula, Vladimir V. Konotop, Victor M. Perez-Garcia,   Vadym E. Vekslerchik