Warped Flux Compactification and Brane Gravity

Details Warped Flux Compactification and Brane Gravity Warped Flux Compactification and Brane Gravity

2005-06-07

arxiv.org/abs/hep-th/0506050v2

JCAP 0507 (2005) 013

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, LaTeX 2e; Version accepted for publication in JCAP, references added

Scientific paper

10.1088/1475-7516/2005/07/013

We find a simple exact solution of 6-dimensional braneworld which captures some essential features of warped flux compactification, including a warped geometry, compactification, a magnetic flux, and one or two 3-brane(s). In this setup we analyze how the Hubble expansion rate on each brane changes when the brane tension changes. It is shown that effective Newton's constant resulting from this analysis agrees with that inferred by simply integrating extra dimensions out. Based on the result, a general formula for effective Newton's constant is conjectured and its application to cosmology with type IIB warped string compactification is discussed.

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