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D-brane Gases and Stabilization of Extra Dimensions in Dilaton Gravity | | S. Arapoglu
; A. Kaya
; | | Date: |
8 Sep 2004 | | Journal: | Phys.Lett. B603 (2004) 107-112 | | Subject: | hep-th | | Abstract: | We consider a toy cosmological model with a gas of wrapped Dp-branes in 10-dimensional dilaton gravity compactified on a p-dimensional Ricci flat internal manifold. A consistent generalization of the low energy effective field equations in the presence of a conserved brane source coupled to dilaton is obtained. It is then shown that the compact dimensions are dynamically stabilized in string frame as a result of a balance between negative winding and positive momentum pressures. Curiously, when p=6, i.e. when the observed space is three dimensional, the dilaton becomes a constant and stabilization in Einstein frame is also realized. | | Source: | arXiv, hep-th/0409094 | | Services: | Forum | Review | PDF | Favorites | |
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