Superstring scattering from D-branes bound states
May, 199825 pages
Published in:
- JHEP 12 (1998) 008
e-Print:
- hep-th/9805078 [hep-th]
Report number:
- IPM-P-98-11
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Abstract:
We derive fully covariant expressions for disk scattering amplitudes of any two massless closed strings in which mixed Neumann and Dirichlet world-sheet boundary conditions are included. From the two-point amplitudes, we derive the long range background fields and verify that they correspond to D-brane bound state. Also, from the scattering amplitudes, we calculate the linear coupling of closed string fields to D-brane world-volume and show that they are consistent with Born-Infeld and Chern-Simons actions in the presence of a background field.- string model
- supersymmetry
- scattering amplitude
- membrane model: D-brane
- bound state: D-brane
- boundary condition
- coupling: string
- field theory: conformal
- background field: long-range
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