Extension of the Barut-Girardello Coherent State and Path Integral
classification
🪐 quant-ph
keywords
coherentstatebarut-girardelloconstructintegralpathrepresentationextend
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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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