Inelastic collisions in an exactly solvable two-mode Bose-Einstein Condensate

Details Inelastic collisions in an exactly solvable two-mode Bose-Einstein Condensate Inelastic collisions in an exactly solvable two-mode Bose-Einstein Condensate

2007-01-21

arxiv.org/abs/quant-ph/0701148v1

Phys. Rev. A 78, 013641 (2008)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.78.013641

Inelastic collisions occur in Bose-Einstein condensates, in some cases, producing particle loss in the system. Nevertheless, these processes have not been studied in the case when particles do not escape the trap. We show that such inelastic processes are relevant in quantum properties of the system such as the evolution of the relative population, the self trapping effect and the probability distribution of particles. Moreover, including inelastic terms in the model of the two-mode condensate allows for an exact analytical solution. Using this solution, we show that collisions favor the generation of entanglement between the modes of the condensate as long as the collision rate does not exceed the natural frequency of the system.

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