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Exciting gauge field and gravitons in a brane-anti-brane annihilation

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arxiv 0807.2570 v2 pith:SWSHZNVV submitted 2008-07-16 hep-th

Exciting gauge field and gravitons in a brane-anti-brane annihilation

classification hep-th
keywords fieldgaugetachyonbrane-anti-branecondensationgravityinflationpoint
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper we point out the inevitability of an explosive production of gauge field and gravity wave during an open string tachyon condensation in a cosmological setting. We will be particularly studying an example of brane-anti-brane inflation in a warped throat where inflation ends via tachyon condensation. We point out that a tachyonic instability helps fragmenting the homogeneous tachyon and excites gauge field and contributes to the stress energy tensor which also feeds into the gravity waves.

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