Effective theory for wall-antiwall system | Zendy

Yutaka Sakamura | Zendy

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Effective theory for wall-antiwall system

Author(s) -

Yutaka Sakamura

Publication year - 2003

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2003/05/062

Subject(s) - domain wall (magnetism) , supersymmetry , function (biology) , exponential growth , mode (computer interface) , domain (mathematical analysis) , physics , tree (set theory) , mathematics , mathematical analysis , computer science , particle physics , quantum mechanics , magnetization , evolutionary biology , magnetic field , biology , operating system

We propose a useful method for deriving the effective theory for a systemwhere BPS and anti-BPS domain walls coexist. Our method respects anapproximately preserved SUSY near each wall. Due to the finite width of thewalls, SUSY breaking terms arise at tree-level, which are exponentiallysuppressed. A practical approximation using the BPS wall solutions is alsodiscussed. We show that a tachyonic mode appears in the matter sector if thecorresponding mode function has a broader profile than the wall width.Comment: LaTeX file, 30 page, 5 eps figures, references adde

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