Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-11-08
Phys.Lett.B526:379-387,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, LaTeX, 4 eps figures
Scientific paper
10.1016/S0370-2693(02)01156-5
We discuss a brane based inflationary scenario in which an initially non-supersymmetric configuration involving a D4 brane is dynamically transformed into a supersymmteric one in a background space-time geometry determined by a stack of D6 branes. Inflation is realized in the effective four dimensional theory and ends after reaching a stable BPS configuration. The scalar spectral index turns out to be 0.98. Under some simplifying assumption the reheat temperature, Hubble constant and the string scale are estimated to be of order $10^{8}$ GeV, $10^{12}$ GeV and $10^{16}$ GeV, respectively.
Kyae Bumseok
Shafi Qaisar
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