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arxiv: 0807.2419 · v2 · submitted 2008-07-15 · ✦ hep-th

Dyon dynamics near marginal stability and non-BPS states

classification ✦ hep-th
keywords marginalnon-bpsstabilitystatesactionboundnearbps-mass
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We derive the general form of the moduli-space effective action for the long-range interaction of two BPS dyons in N=2 gauge theories. This action determines the bound state structure of various BPS and non-BPS states near marginal stability curves, and we utilise it to compute the leading correction to the BPS-mass of zero-torsion non-BPS bound states close to marginal stability.

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