Degenerate Parametric Amplification Process; A Path-Integral Approach
In an earlier paper we developed a formalism for applying path integrals to certain problems in nonlinear optics . We presented a path-integral representation for the coherent-state propagator and discussed the properties of the propagator. The path-integral representation of the propagator allows one to see more clearly than the standard operator approach the connection between the classical and quantum dynamics of the system.
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