Domain walls with non-Abelian orientational moduli

Minoru Eto, Toshiaki Fujimori, Muneto Nitta, Keisuke Ohashi, Norisuke Sakai

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Domain walls with non-Abelian orientational moduli are constructed in U(N) gauge theories coupled to Higgs scalar fields with degenerate masses. The associated global symmetry is broken by the domain walls, resulting in the Nambu-Goldstone (and quasi-Nambu-Goldstone) bosons, which form the non-Abelian orientational moduli. As walls separate, the wave functions of the non-Abelian orientational moduli spread between domain walls. By taking the limit of Higgs mass differences to vanish, we clarify the convertion of wall position moduli into the non-Abelian orientational moduli. The moduli space metric and its Kähler potential of the effective field theory on the domain walls are constructed. We consider two models: a U(1) gauge theory with several charged Higgs fields, and a U(N) gauge theory with 2N Higgs fields in the fundamental representation. More details are found in our paper [1].

Original languageEnglish
Article number012006
JournalJournal of Physics: Conference Series
Volume222
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1
Event1st Mediterranean Conference on Classical and Quantum Gravity, MCCQG 2009 - Kolymbari, Crete, Greece
Duration: 2009 Sep 142009 Sep 18

    Fingerprint

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this