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World Volume Approach to Absorption by Non-dilatonic Branes

Authors
  • Klebanov, Igor R.
Type
Published Article
Publication Date
Feb 10, 1997
Submission Date
Feb 09, 1997
Identifiers
DOI: 10.1016/S0550-3213(97)00235-6
Source
arXiv
License
Unknown
External links

Abstract

We calculate classical cross sections for absorption of massless scalars by the extremal 3-branes of type IIB theory, and by the extremal 2- and 5-branes of M-theory. The results are compared with corresponding calculations in the world volume effective theories. For all three cases we find agreement in the scaling with the energy and the number of coincident branes. For 3-branes, whose stringy description is known in detail in terms of multiple D-branes, the string theoretic absorption cross section for low energy dilatons is in exact agreement with the classical gravity. This suggests that scattering from extremal 3-branes is a unitary process well described by perturbative string theory.

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