Physics – Quantum Physics
Scientific paper
2010-11-16
Optics Communications 284 (2011) 608--612
Physics
Quantum Physics
12 pages, 1 figures, Optics Communications, Article in Press
Scientific paper
10.1016/j.optcom.2010.09.062
A theoretical scheme is presented for generating Gazeau-Klauder coherent states(GKCSs) via the generalization of degenerate Raman interaction with coupling constant to intensity-dependent coupling. Firstly, we prove that in the intensity-dependent degenerate Raman interaction, under particular conditions, the modified efective Hamiltonian can be used instead of Hamiltonian in the interaction picture, for describing the atom-field interaction. We suppose that the cavity field is initially prepared in a nonlinear CS, which is not temporally stable. As we will observe, after the occurrence of the interaction between atom and field, the generated state involves a superposition of GKCSs which are temporally stable and initial nonlinear CS. Under specific conditions which may be prepared, the generated state just includes GKCS. So, in this way we produced the GKCS, successfully.
Tavassoly M. K.
Yadollahi F.
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