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IPM
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“School of Physics”

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Paper   IPM / P / 8033
School of Physics
  Title:   Tachyon Tunnelling in D-Brane-anti-D-Brane
  Author(s): 
1.  K. Bitaghsir
2.  M.R. Garousi
  Status:   Published
  Journal: JHEP
  Vol.:  04
  Year:  2006
  Pages:   005
  Supported by:  IPM
  Abstract:
Recently a tachyon DBI action is proposed for describing the non-coincident Dp-brane-anti-Dp-brane system. For brane separation larger than √{2π2α′}, the tachyon potential has both false and true vacuums. We shall show that due to the non-standard form of the kinetic term in the effective action, the thin wall approximation for calculating the bubble nucleation rate gives a result which is independent of the brane separation.

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