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Paper   IPM / Physic / 6640
School of Physics
  Title:   On the Duru-Klienert Path Integral in Quantum Cosmology
1.  M.A. Jafarizadeh
2.  F. Darabi
3.  A.R. Rastegar
  Status:   Published
  Journal: Phys. Lett. A
  No.:  52
  Vol.:  248
  Year:  1998
  Pages:   19-24
  Supported by:  IPM
We show that the Duru-Kleinert fixed energy amplitude leads to the path integral for the propagation amplitude in the closed FRW quantum cosmology with scale factor as one degree of freedom. Then, using Duru-Kleinert equivalence of corresponding actions, we calculate the tunneling rate, with exact prefactor, through the dilute-instanton approximation to first order in h.

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