“School of Physic”
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| Paper IPM / Physic / 6603 |
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| Abstract: | |
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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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