Effective lagrangians on domain walls and other solitons

Norisuke Sakai, Minoru Eto, Youichi Isozumi, Muneto Nitta, Keisuke Ohashi

Research output: Contribution to journalConference articlepeer-review


Maintaining the preserved supersymmetry helps to find the effective Lagrangian on the BPS background in gauge theories with eight supercharges. As concrete examples, we take 1/2 BPS domain walls. The Lagrangian is given in terms of the superfields with manifest four preserved supercharges and is expanded in powers of the slow-movement parameter λ Theo(λ0) gives the superfield form of the BPS equations, whereas all the fluctuation fields follow at o(λ1). The effective Lagrangian is given by the density of the Kähler potential which emerges automatically from the (λexpansion making four preserved supercharges manifest. More complete account of our method and applications is given in [1] (hep-Th/0602289) in which the case of non-Abelian vortices is also worked out.

Original languageEnglish
JournalProceedings of Science
Publication statusPublished - 2007
Event2007 From Strings to LHC, stringsLHC 2007 - Goa, India
Duration: 2007 Jan 22007 Jan 10

ASJC Scopus subject areas

  • General


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