Separable Brane Cosmologies in Heterotic M-Theory

Details Separable Brane Cosmologies in Heterotic M-Theory Separable Brane Cosmologies in Heterotic M-Theory

1999-11-18

arxiv.org/abs/gr-qc/9911066v1

Class.Quant.Grav.17:L39-L45,2000

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, plain Latex

Scientific paper

10.1088/0264-9381/17/2/103

It is shown that any anisotropic and inhomogeneous cosmological solution to the lowest-order, four-dimensional, dilaton-graviton string equations of motion may be employed as a seed to derive a curved, three-brane cosmological solution to five-dimensional heterotic M-theory compactified on a Calabi-Yau three-fold. This correspondence formally relates a weakly coupled string cosmology directly with a strongly coupled one. The asymptotic behaviour of a wide class of spatially homogeneous braneworlds is deduced. Similar solutions may be derived in toroidally compactified massive type IIA supergravity.

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