Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-11-30
Fortsch.Phys. 49 (2001) 543-550
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, Proceedings of the RTN-meeting, "The Quantum Structure of Spacetime and the Geometric Nature of Fundamental Interact
Scientific paper
We discuss various aspects of the description of branes as topological solitons in unstable brane systems of higher dimensions. We first describe a classification of all the possible realisations of branes of M and type II theories as topological solitons of a brane-antibrane system. We then present a description of type IIB NS-NS p-branes in terms of topological solitons in systems of spacetime-filling NS9, anti-NS9 pairs and discuss the implications of these constructions in the description of BPS and non-BPS states in the strongly coupled Heterotic SO(32) theory. We finally present briefly the construction of a conjectured spacetime-filling non-BPS M10-brane, starting point for a brane descent construction of the branes of M-theory.
Houart Laurent
Lozano Yolanda
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