BPS-spectra in four dimensions from M-theory

Details BPS-spectra in four dimensions from M-theory BPS-spectra in four dimensions from M-theory

1997-11-11

arxiv.org/abs/hep-th/9711076v1

Fortsch.Phys.47:189-194,1999

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, talk delivered at the workshop `Quantum aspects of gauge theories, supersymmetry and unification', Neuchatel Universi

Scientific paper

I review my work together with Piljin Yi on the spectrum of BPS-saturated states in N = 2 supersymmetric Yang-Mills theories. In an M-theory description, such states are realized as certain two-brane configurations. We first show how the central charge of the N = 2 algebra arises from the two-form central charge of the eleven-dimensional supersymmetry algebra, and derive the condition for a two-brane configuration to be BPS-saturated. We then discuss how the topology of the two-brane determines the type of BPS-multiplet. Finally, we discuss the phenomenon of marginal stability and show how it is related to the mutual non-locality of states.

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