Physics – Quantum Physics
Scientific paper
2008-07-11
Physics
Quantum Physics
17 pages, 4figures
Scientific paper
10.1088/0953-4075/42/6/065505
In this paper, we investigate the spectrum of light scattered from a Bose-Einstein condensate in the framework of f-deformed boson. We use an f-deformed quantum model in which the Gardiners phonon operators for BEC are deformed by an operator-valued function, f(n), of the particle-number operator n. We consider the collisions between the atoms as a special kind of f-deformation. The collision rate k is regarded as the deformation parameter and the spectrum of light scattered from the deformed BEC is analyzed. In particular, we find that with increasing the values of deformation parameters k and eta=1/N (N, total number of condensate atoms) the scattering spectrum shows deviation from the spectrum associated with nondeformed Bose-Einstein condensate.
Haghshenasfard Z.
Naderi M. H.
Soltanolkotabi Mahdi
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