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Paper   IPM / Physic / 6657
School of Physics
  Title:   Tunneling in A Cosmological Model with Violation of Strong Energy Condition
1.  F. Darabi
2.  A.R. Rastegar
3.  A. Rezaei-Aghdam
4.  M.A. Jafarizadeh
  Status:   Published
  Journal: Mod. Phys. Lett. A
  No.:  36
  Vol.:  13
  Year:  1998
  Pages:   3213-3223
  Supported by:  IPM
The tunneling rate, with exact prefactor, is calculated to first order in h for a closed FRW universe filled with perfect fluid violating the strong energy condition. The calculations are performed by applying the dilute-instanton approximation on the corresponding Duru-Kleinert path integral.

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