Spacelike and Time Dependent Branes from DBI

Details Spacelike and Time Dependent Branes from DBI Spacelike and Time Dependent Branes from DBI

2002-07-10

arxiv.org/abs/hep-th/0207089v3

JHEP 0210 (2002) 037

Physics

High Energy Physics

High Energy Physics - Theory

v2. New comments, 11 figures and references added. Typos corrected. v3. Typos corrected. Comments on magnetic fields corrected

Scientific paper

10.1088/1126-6708/2002/10/037

Spacelike branes are new time-dependent systems to explore and it has been observed that related supergravity solutions can be obtained by analytically continuing known D-brane solutions. Here we show that analytic continuation of known solutions of the Dirac-Born-Infeld equations also lead to interesting analogs of time dependent gravity solutions. Properties of these new solutions, which are similar to the Witten bubble of nothing and S-branes, are discussed. We comment on how these new bubble solutions seem relevant to the tachyon condensation process of non-BPS branes, and remark on their application to cosmological scenarios. Unstable brane configurations which resemble S-brane type solutions are also discussed.

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