Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-04-16
Nucl.Phys. B696 (2004) 3-35
Physics
High Energy Physics
High Energy Physics - Theory
38 pages, 8 figures, references added, citation modified, final version to appear in NPB
Scientific paper
10.1016/j.nuclphysb.2004.07.001
An exact solution of non-BPS multi-walls is found in supersymmetric massive T^\star(\mathbb{CP}^1) model in five dimensions. The non-BPS multi-wall solution is found to have no tachyon. Although it is only metastable under large fluctuations, we can give topological stability by considering a model with a double covering of the T^\star(\mathbb{CP}^1) target manifold. The {\cal N}=1 supersymmetry preserved on the four-dimensional world volume of one wall is broken by the coexistence of the other wall. The supersymmetry breaking is exponentially suppressed as the distance between the walls increases.
Eto Minoru
Maru Nobuhito
Sakai Norisuke
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