期刊
PROGRESS OF THEORETICAL PHYSICS
卷 104, 期 3, 页码 633-676出版社
PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE
DOI: 10.1143/PTP.104.633
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We propose a new mechanism of spontaneous supersymmetry breaking. The existence of extra dimensions with nontrivial topology plays an important role. We investigate new features resulting from this mechanism in two simple supersymmetric Z(2) and U(1) models. One noteworthy feature is that there exists a phase in which the translational invariance for the compactified directions is broken spontaneously, accompanying the breakdown of supersymmetry. The mass spectrum of the models appearing in reduced dimensions is full of variety, reflecting the highly nontrivial vacuum structure of the models. Nambu-Goldstone bosons (fermions) associated with the breakdown of symmetries are found in the mass spectrum. The mechanism we propose also yields quite different vacuum structures for models with different global symmetries.
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