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hep-th2001
Fractional branes on ALE orbifolds
M. Billo', L. Gallot, A. Liccardo
We derive the classical type IIB supergravity solution describing fractional D3-branes transverse to a C^2/Gamma orbifold singularity, for Gamma any Kleinian ADE subgroup. This sol…
hep-th2000
Stable non-BPS D-branes of type I
M. Frau, L. Gallot, A. Lerda +1
We review the boundary state description of the non-BPS D-branes in the type I string theory and show that the only stable configurations are the D-particle and the D-instanton. We…