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Paper   IPM / Physic / 6603
School of Physics
  Title:   More on Mixed Boundary Conditions and D-Branes Bound States
  Author(s):  M.M. Sheikh-Jabbari
  Status:   Published
  Journal: Phys. Lett. B
  No.:  53
  Vol.:  425
  Year:  1998
  Pages:   48-54
  Supported by:  IPM
In this article, applying different types of boundary conditions; Dirichlet, Neumann, or Mixed, on open strings we realize various new brane bound states in string theory. Calculating their interactions with other D-branes, we find their charge densities and their tension. A novel feature of (p−2,p) brane bound state is its "non-commutative" nature which is manifestly seen both in the open strings mode expansions and in their scattering off a Dp-brane. Moreover we study three or more object bound states in string theory language. Finally we give a M-theoretic picture of these bound states.

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