Domain walls in strongly coupled theories
Dec, 19968 pages
Published in:
- Phys.Lett.B 396 (1997) 64-69,
- Phys.Lett.B 407 (1997) 452 (erratum)
e-Print:
- hep-th/9612128 [hep-th]
Report number:
- CERN-TH-96-356,
- TPI-MINN-96-26-T,
- UMN-TH-1521-96
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Abstract:
Domain walls in strongly coupled gauge theories are discussed. A general mechanism is suggested automatically leading to massless gauge bosons localized on the wall. In one of the models considered, outside the wall the theory is in the non-Abelian confining phase, while inside the wall it is in the Abelian Coulomb phase. Confining property of the non-Abelian theories is a key ingredient of the mechanism which may be of practical use in the context of the dynamic compactification scenarios. In supersymmetric (N=1) Yang-Mills theories the energy density of the wall can be exactly calculated in the strong coupling regime. This calculation presents a further example of non-trivial physical quantities that can be found exactly by exploiting specific properties of supersymmetry. A key observation is the fact that the wall in this theory is a BPS-saturated state.Note:
- Several typos corrected Report-no: CERN-TH/96-356, TPI-MINN-96/26-T
- gauge field theory: SU(2)
- fermion
- approximation: strong coupling
- domain wall
- supersymmetry
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