Journal
PHYSICS LETTERS B
Volume 686, Issue 4-5, Pages 268-272Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2010.02.062
Keywords
Massive 3D cosmology; Unitarity; Bounces
Funding
- FAPES-CNPq (Brazil) [35885149/2006]
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The properties of an extension of the new massive 3D gravity by scalar matter with Higgs-like self-interaction are investigated. Its perturbative unitarity consistency is verified for a family of cosmological bounce solutions found by the superpotential method. They correspond to the lower bound lambda = -1 of the BHT unitarity window and describe eternally accelerated 3D Universe between two initial/final stable dS(3) vacua states. (C) 2010 Elsevier B.V. All rights reserved.
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