Extension of the Barut-Girardello Coherent State and Path Integral
Kazuyuki Fujii, Kunio Funahasi
Abstract
We extend the Barut-Girardello coherent state for the representation of SU(1,1) to the coherent state for a representation of U(N,1) and construct the measure. We also construct a path integral formula for some Hamiltonian.
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