Solitons and Universes with Acceleration Driven by Bulk Particles

Considering a scenario where our universe is taken
as a 3d domain wall embedded in a 5d dimensional Minkowski
space-time, we explore the existence of a richer class of solitonic
solutions and their consequences for accelerating universes driven by
collisions of bulk particle excitations with the walls. In particular it
is shown that some of these solutions should play a fundamental role
at the beginning of the expansion process. We present some of these
solutions in cosmological scenarios that can be applied to models
that describe the inflationary period of the Universe.

Authors:

• A. C. Amaro de Faria Jr
• A. M. Canone

Keywords:

• Solitons
• topological defects
• Branes
• kinks
• accelerating universes in Brane scenarios.

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