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A New Mechanism of Spontaneous SUSY Breaking
Author(s) -
Makoto Sakamoto,
Mitsuhiro Tachibana,
Kazunori Takenaga
Publication year - 2000
Publication title -
progress of theoretical physics
Language(s) - English
Resource type - Journals
eISSN - 1347-4081
pISSN - 0033-068X
DOI - 10.1143/ptp.104.633
Subject(s) - physics , supersymmetry , supersymmetry breaking , boson , homogeneous space , fermion , theoretical physics , spontaneous symmetry breaking , mechanism (biology) , goldstone boson , particle physics , spectrum (functional analysis) , symmetry breaking , quantum mechanics , geometry , mathematics
We propose a new mechanism of spontaneous supersymmetry breaking. Theexistence of extra dimensions with nontrivial topology plays an important role.We investigate new features resulted from the mechanism in two simplesupersymmetric Z_2 and U(1) models. One of remarkable features is that thereexists a phase in which the translational invariance for the compactifieddirections is broken spontaneously, accompanying the breakdown of thesupersymmetry. The mass spectrum of the models appeared in reduced dimensionsis a full of variety, reflecting the highly nontrivial vacuum structure of themodels. The Nambu-Goldstone bosons (fermions) associated with breakdown ofsymmetries are found in the mass spectrum. Our mechanism also yields quitedifferent vacuum structures if models have different global symmetries.Comment: 43 pages, 3 figure

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