Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-10-11
Int.J.Mod.Phys. A12 (1997) 4581-4596
Physics
High Energy Physics
High Energy Physics - Theory
20 pages, LaTeX
Scientific paper
10.1142/S0217751X97002474
We study the dynamics of D-particles (D0-branes) in type I' string theory and of the corresponding states in the dual heterotic description. We account for the presence of the two 8-orientifolds (8 dimensional orientifold planes) and sixteen D8-branes by deriving the appropriate quantum mechanical system. We recover the familiar condition of eight D8-branes for each 8-orientifold. We investigate bound states and compute the phase shifts for the scattering of such states and find that they agree with the expectations from the supergravity action. In the type I' regime we study the motion transverse to the 8-orientifold and find an interesting cancellation effect.
Danielsson Ulf H.
Ferretti Gabriele
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