Quintessence and phantom dark energy from ghost D-branes

Details Quintessence and phantom dark energy from ghost D-branes Quintessence and phantom dark energy from ghost D-branes

2009-06-28

arxiv.org/abs/0906.5135v3

Phys. Rev. D 80, 083003 (2009)

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 5 figures, version published at Phys. Rev. D

Scientific paper

10.1103/PhysRevD.80.083003

We present a novel dark energy candidate, based upon the existence and dynamics of Ghost D-branes in a warped compactification of type IIB string theory. Gp-branes cancel the combined BPS sectors of the Dp-branes, while they preserve the same supersymmetries. We show that this scenario can naturally lead to either quintessence or phantom-like behaviors, depending on the form of the involved potentials and brane tension.

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