Dynamical symmetry breaking with four-superfield interactions

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题名:	Dynamical symmetry breaking with four-superfield interactions
作者:	江祖永;Faisel, Gaber;Jung, Dong-Won;Kong, Otto C. W.
贡献者:	理學院物理學系
关键词:	Broken symmetry;Classical and Quantum Gravitation;Condensates;Elementary Particles;Fermions;High energy physics;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Relativity Theory;String Theory;Supersymmetry;Symmetry
日期:	2012-02-27
上传时间:	2026-04-23 11:52:04 (UTC+8)
出版者:	Berlin/Heidelberg: Springer-Verlag
摘要:	摘要： A bstract We investigate the dynamical mass generation resulted from interaction terms with four chiral superfields. The kind of interactions maybe considered a supersymmetric generalization of the four-fermion interactions of the classic Nambu-Jona-Lasinio model. A four-superfield interaction that contains a four-fermion interaction as one of its component terms has been the standard supersymmetrization of the NJL model for decades. Recently, we introduced a holomorphic variant with a dimension five interaction term instead. The latter is a main target of the present analysis. With the introduction of a new perspective on the superfield gap equation, we derive it for each one of the four-superfield interactions, using the supergraph technique. Through analyzing solutions to the gap equations, we illustrate the dynamical generation of superfield Dirac mass, including a supersymmetry breaking part. A dynamical symmetry breaking generally goes along with the dynamical mass generation, for which a bi-superfield condensate is responsible. The explicit illustration of dynamical symmetry breaking from the holomorphic dimension five interaction is reported for the first time. It has rich and novel features, which would be easily missed without the superfield approach developed here. We also discuss the nature of the bi-superfield condensate and its role of the effective Higgs superfield picture for both cases, illustrating their difference. Note that such a holomorphic quark superfield interaction term can successful account for the electroweak symmetry breaking with Higgs superfields as composites. 其他題名： J. High Energ. Phys 出版者： Berlin/Heidelberg: Springer-Verlag 出版日期： 2012-01-01 出處： The journal of high energy physics, 2012-01, Vol.2012 (1), Article 164 資源來源： Publicly Available Content Database 版權： SISSA, Trieste, Italy 2012 版權： SISSA, Trieste, Italy 2012. 識別號： ISSN: 1029-8479 識別號： EISSN: 1029-8479 識別號： DOI: 10.1007/JHEP01(2012)164
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