A short review of "DGP Specteroscopy"

Details A short review of "DGP Specteroscopy" A short review of "DGP Specteroscopy"

2006-10-09

arxiv.org/abs/hep-th/0610093v2

J.Phys.A40:6827-6834,2007

Physics

High Energy Physics

High Energy Physics - Theory

Minor typos corrected

Scientific paper

10.1088/1751-8113/40/25/S26

In this paper we provide a short review of the main results developed in
hep-th/0604086. We focus on linearised vacuum perturbations about the
self-accelerating branch of solutions in the DGP model. These are shown to
contain a ghost in the spectrum for any value of the brane tension. We also
comment on hep-th/0607099, where some counter arguments have been presented.

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