Can universe exit from phantom inflation due to gravitational back reaction?

Abstract

The effects of the gravitational back reaction of cosmological perturbations are investigated in a phantom inflation model. The effective energy-momentum tensor of the gravitational back reaction of cosmological perturbations whose wavelengths are larger than the Hubble radius is calculated. Our results show that the effects of gravitational back reaction will counteract that of the phantom energy. It is demonstrated in a chaotic phantom inflation model that if the phantom field at the end of inflation is larger than a critical value determined by the necessary e-folds, the phantom inflation phase might be terminated by the gravitational back reaction.

9 pages, Revtex4, to appear in JCAP

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Cited by in corpus (16)

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• Dynamics of interacting phantom scalar field dark energy in Loop Quantum Cosmology
• Schwarzschild black hole and the generalized second law in phantom-dominated universe
• Cosmological evolution of interacting phantom (quintessence) model in Loop Quantum Gravity
• Constraints on a variable dark energy model with recent observations
• Preventing eternality in phantom inflation
• Reconstruction of a Nonminimal Coupling Theory with Scale-invariant Power Spectrum
• Phantom Inflation in Little Rip
• Observational constraints on phantom power-law cosmology
• Radion induced inflation on non-flat brane and modulus stabilization
• Reconstructing the properties of dark energy from recent observations
• Phantom Inflation with A Steplike Potential
• Reconstruction of f(R) models with Scale-invariant Power Spectrum
• Cosmological perturbations in transient phantom inflation scenarios
• Confronting phantom inflation with Planck data