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

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<mark>Journal publication date</mark>2009
<mark>Journal</mark>Physical Review Letters
Issue number9
<mark>Original language</mark>English


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.

Bibliographic note

4 pages 8 figs