Low energy dynamics for 1/4 BPS dyons

Dongsu Bak, Choonkyu Lee, Kimyeong Lee, Piljin Yi

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


Classical 1/4 BPS configurations consist of 1/2 BPS dyons which are positioned by competing static forces from electromagnetic and Higgs sectors. These forces do not follow the simple inverse square law, but can be encoded in some low energy effective potential between fundamental monopoles of distinct types. In this paper, we find this potential by comparing the exact 1/4 BPS bound from a Yang-Mills field theory with its counterpart derived from the low energy effective dynamics of monopoles. Our method is generalized to arbitrary gauge groups and to arbitrary BPS monopole-dyon configurations. The resulting effective action for 1/4 BPS states is written explicitly, and shown to be determined entirely by the geometry of multimonopole moduli spaces. We also explore its natural supersymmetric extension.

Original languageEnglish
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number2
StatePublished - 2000


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