Potsdam University Potsdam Quantum Optics Group

Universität Potsdam
Institut für Physik
Karl-Liebknecht-Str. 24/25
14476 Potsdam-Golm
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 Publications
 2008
   barberisblostein08a
 
P. Barberis-Blostein and I. Fuentes-Schuller
Mode-exchange collisions in an exactly soluble two-mode Bose-Einstein condensate
Phys. Rev. A 78 (2008) 013641

Abstract

    Mode-exchange collisions occur in multi-mode Bose-Einstein condensates, in some cases, producing particle loss in the system. Nevertheless, little is known about mode-exchange collisions in the case when particles do not escape the trap. We show that these 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. Surprisingly, including mode-exchange 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.

[ quant-ph/0701148 ]

file generated: 25 Apr 2011


   
   
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