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Inflation and Brane Gases

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arxiv hep-th/0307043 v3 pith:BAI4FIAG submitted 2003-07-03 hep-th astro-phgr-qchep-ph

Inflation and Brane Gases

classification hep-th astro-phgr-qchep-ph
keywords inflationbranebranesapplicationsarguedbulkco-dimensioncontext
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate a new way of realizing a period of cosmological inflation in the context of brane gas cosmology. It is argued that a gas of co-dimension one branes, out of thermal equilibrium with the rest of the matter, has an equation of state which can - after stabilization of the dilaton - lead to power-law inflation of the bulk. The most promising implementation of this mechanism might be in Type IIB superstring theory, with inflation of the three large spatial dimensions triggered by ``stabilized embedded 2-branes''. Possible applications and problems with this proposal are discussed.

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