Moving Five-Branes in Low-Energy Heterotic M-Theory

Details Moving Five-Branes in Low-Energy Heterotic M-Theory Moving Five-Branes in Low-Energy Heterotic M-Theory

2001-06-29

arxiv.org/abs/hep-th/0106285v1

Phys.Rev. D64 (2001) 126003

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, Latex, 3 eps figures

Scientific paper

10.1103/PhysRevD.64.126003

We construct cosmological solutions of four-dimensional effective heterotic M-theory with a moving five-brane and evolving dilaton and T modulus. It is shown that the five-brane generates a transition between two asymptotic rolling-radii solutions. Moreover, the five-brane motion always drives the solutions towards strong coupling asymptotically. We present an explicit example of a negative-time branch solution which ends in a brane collision accompanied by a small-instanton transition. The five-dimensional origin of some of our solutions is also discussed.

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