TUNNELING IN A COSMOLOGICAL MODEL WITH VIOLATION OF STRONG ENERGY CONDITION

1998/11/24 by M. A. JAFARIZADEH, M. A. Jafarizadeh, F. Darabi +5 · 2 citations
Physics and Astronomy · #Quantum, superfluid, helium dynamics #Statistical Mechanics and Entropy #Theoretical and Computational Physics #gr-qc #hep-th

paper · pdf · doi:10.1142/s0217732398003429

published as Mod.Phys.Lett. A13 (1998) 3213-3224 · 11 pages, LaTeX

arxiv created 1998/11/24 · openalex publication_date 1998/12/28 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The tunneling rate, with exact prefactor, is calculated to first order in ℏ 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.

Citations

• Dynamics of the dissipative two-state system

Cited by

• Tunneling inΛdecaying cosmologies and the cosmological constant problem
• An accelerating universe and dynamical compactification of extra dimensions