Gauge/Cosmology Brane-to-Brane Duality

Details Gauge/Cosmology Brane-to-Brane Duality Gauge/Cosmology Brane-to-Brane Duality

2010-06-15

arxiv.org/abs/1006.3054v1

Acta Phys.Polon.B41:2645-2667,2010

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 1 figure

Scientific paper

We introduce a duality relation between two distinct branes, a cosmological brane with macroscopic matter and a holographic brane with microscopic gauge fields. Using brane-world cosmology with a single brane in a 5-dimensional AdS5 background, we find an explicit time-dependent holographic correspondence between the bulk metric surrounding the cosmological brane and the N=4 gauge field theory living on the boundary of the Z2-symmetric mirror bulk, identified with the holographic brane. We then relate the cosmic acceleration on the cosmological brane to the conformal anomaly of the gauge theory on the holographic brane. This leads to a dual microscopic interpretation of the number of e-foldings of the cosmological eras on the cosmological brane.

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