Tachyon Condensation in Unbalanced DFormula System | Zendy

Akira Ishida | Zendy; S. Uehara | Zendy; Tsuneji Yada | Zendy

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Tachyon Condensation in Unbalanced DFormula System

Author(s) -

Akira Ishida,

S. Uehara,

Tsuneji Yada

Publication year - 2006

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.115.1093

Subject(s) - tachyon condensation , physics , superstring theory , tachyon , brane cosmology , brane , born–infeld model , effective action , tachyonic field , action (physics) , condensation , mathematical physics , theoretical physics , classical mechanics , quantum mechanics , supersymmetry , string (physics) , higgs mechanism , gauge theory , string field theory , gauge boson , thermodynamics

The tachyon condensation is studied in asymmetric D-anti D systems. Taking asystem of two pairs of D5-anti D5 in type IIB superstring theory in thebackground of large N D5-branes, we show that one BPS D1-brane comes out afterthe condensation. It is also seen that the BPS D1-brane feels no force from thebackground D5-branes. We also show that the inclusion of the fluctuation fieldsgives an expected Dirac-Born-Infeld (DBI) action of the resultant D1-brane. Onthe 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 thebackground D5-branes.Comment: 18 pages, minor corrections, to appear in Prog. Theor. Phy

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