Brane - Antibrane as a Defect of Tachyon Condensation

Details Brane - Antibrane as a Defect of Tachyon Condensation Brane - Antibrane as a Defect of Tachyon Condensation

2002-09-27

arxiv.org/abs/hep-th/0209232v3

JHEP 0212 (2002) 064

Physics

High Energy Physics

High Energy Physics - Theory

27 pages, 6 eps figures, references added, published version

Scientific paper

10.1088/1126-6708/2002/12/064

In a tachyon effective field theory of a non-BPS brane, we construct a classical solution representing a parallel brane-antibrane. The solution is made of a kink and an antikink placed at antipodal points of S^1. Estimation of the brane energy suggests an excitation of a string connecting the two branes, even though the theory is Abelian. We performed fluctuation analysis around the obtained solution, and find the structure of the supersymmetry breaking by the co-existence of the brane and the antibrane. We discuss possible processes of the pair-annihilation of the brane defect.

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