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Paper   IPM / Physic / 6621
School of Physics
  Title:   World-Volume Interactions on D-Branes
1.  R.C. Myers
2.  M.R. Garousi
  Status:   Published
  Journal: Nucl. Phys. B
  No.:  40
  Vol.:  542
  Year:  1999
  Pages:   73-88
  Supported by:  IPM
We examine in detail various string scattering amplitudes in order to extract the world-volume interactions of massless fields on a Dirichlet brane. We find that the leading low-energy interactions are consistent with the Born-Infeld and Chern-Simons actions. In particular, our results confirm that the background closed string fields appearing in these actions must be treated as functionals of the non-abelian scalar fields describing transverse fluctuations of the D-brane.

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