Tachyon condensation in unbalanced D-anti D system

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The tachyon condensation is studied in asymmetric D-anti D systems. Taking a system of two pairs of D5-anti D5 in type IIB superstring theory in the background of large N D5-branes, we show that one BPS D1-brane comes out after the condensation. It is also seen that the BPS D1-brane feels no force from the background D5-branes. We also show that the inclusion of the fluctuation fields gives an expected Dirac-Born-Infeld (DBI) action of the resultant D1-brane. On the other hand, in the case of one pair of D5-anti D5 in the same background, we show that the resultant BPS D3-brane experiences attractive force from the background D5-branes.
18 pages, minor corrections, to appear in Prog. Theor. Phys

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/182977

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0601050
 http://arxiv.org/abs/hep-th/0601050
 Prog.Theor.Phys.115:1093-1109,2006
 doi:10.1143/PTP.115.1093

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arXiv