Brane Cosmology in the Background of D-Brane with NS B Field
Donam Youm
TL;DR
This paper investigates how a non-zero NS B field influences the cosmological evolution of a universe modeled on a probe D3-brane moving in the background of a source Dp-brane, deriving modified Friedmann equations.
Contribution
It provides a detailed analysis of the effects of NS B fields on brane cosmology, extending previous models to include these corrections.
Findings
NS B field introduces significant corrections to the Friedmann equations.
The cosmological evolution depends on the strength of the NS B field.
New limits and behaviors of the universe's expansion are identified with non-zero NS B field.
Abstract
We study the cosmological evolution of the four-dimensional universe on the probe D3-brane in geodesic motion in the curved background of the source Dp-brane with non-zero NS B field. The Friedman equations describing the expansion of the brane universe are obtained and analyzed for various limits. We elaborate on corrections to the cosmological evolution due to nonzero NS B field.
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