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A theoretical scheme is presented for generating Gazeau-Klauder coherentstates(GKCSs) via the generalization of degenerate Raman interaction withcoupling constant to intensity-dependent coupling. Firstly, we prove that inthe intensity-dependent degenerate Raman interaction, under particularconditions, the modified efective Hamiltonian can be used instead ofHamiltonian in the interaction picture, for describing the atom-fieldinteraction. We suppose that the cavity field is initially prepared in anonlinear CS, which is not temporally stable. As we will observe, after theoccurrence of the interaction between atom and field, the generated stateinvolves a superposition of GKCSs which are temporally stable and initialnonlinear CS. Under specific conditions which may be prepared, the generatedstate just includes GKCS. So, in this way we produced the GKCS, successfully.

A theoretical scheme for generation of Gazeau-Klauder coherent states via intensity-dependent degenerate Raman interaction