Non-singular Brane cosmology with a Kalb-Ramond field

Details Non-singular Brane cosmology with a Kalb-Ramond field Non-singular Brane cosmology with a Kalb-Ramond field

2008-05-12

arxiv.org/abs/0805.1685v1

Physics

High Energy Physics

High Energy Physics - Theory

Talk given at the "43rd Rencontres de Moriond", La Thuile (Val d'Aosta, Italy), March 15 - 22, 2008

Scientific paper

We present a model in which a 3-brane is embedded in a warped 5-dimensional background with a dilaton and a Kalb-Ramond 2-form. We show that it is possible to find static solutions of the form of charged dS/AdS-like black hole which could have a negative mass parameter. The motion of the 3-brane in this bulk generates an effective 4-dimensional bouncing cosmology induced by the negative dark radiation term. This model avoids the instabilities that arises for previous non-singular braneworld cosmologies in a Reissner-Nordstr{\o}m-AdS bulk.}

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