Domain wall universe in the Einstein-Born-Infeld theory
arXiv:0905.4182 · doi:10.1016/j.physletb.2009.07.026
Abstract
In this Letter, we discuss the dynamics of a domain wall universe embedded into the charged black hole spacetime of the Einstein-Born-Infeld (EBI) theory. There are four kinds of possible spacetime structures, i.e., those with no horizon, the extremal one, those with two horizons (as the Reissner-Nordstrm black hole), and those with a single horizon (as the Schwarzshild black hole). We derive the effective cosmological equations on the wall. In contrast to the previous works, we take the contribution of the electrostatic energy on the wall into account. By examining the properties of the effective potential, we find that a bounce can always happen outside the (outer) horizon. For larger masses of the black hole, the height of the barrier between the horizon and bouncing point in the effective potential becomes smaller, leading to longer time scales of bouncing process. These results are compared with those in the previous works.
8 pages, the version to be published in PLB
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Cited by in corpus (5)
- Instanton solutions mediating tunneling between the degenerate vacua in curved space
- Oscillating instanton solutions in curved space
- Note on: "Domain wall universe in the Einstein--Born--Infeld theory" Phys. Lett. B 679 (2009) 160
- Specific dynamics for the Domain-Walls in Einstein-Maxwell-Dilaton theory
- Creation of a black hole pair with a domain wall