Spontaneous R-symmetry breaking in O'Raifeartaigh models | Zendy

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Spontaneous R-symmetry breaking in O'Raifeartaigh models

Author(s) -

David Shih

Publication year - 2008

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 - 10.1088/1126-6708/2008/02/091

Subject(s) - supersymmetry breaking , spontaneous symmetry breaking , symmetry breaking , physics , construct (python library) , property (philosophy) , charge (physics) , theoretical physics , order (exchange) , mathematical physics , supersymmetry , particle physics , philosophy , computer science , epistemology , finance , economics , programming language

We study the question of whether spontaneous U(1)_R breaking can occur inO'Raifeartaigh-type models of spontaneous supersymmetry breaking. We show thatin order for it to occur, there must be a field in the theory with R-chargedifferent from 0 or 2. We construct the simplest O'Raifeartaigh model with thisproperty, and we find that for a wide range of parameters, it has a meta-stablevacuum where U(1)_R is spontaneously broken. This suggests that spontaneousU(1)_R breaking actually occurs in generic O'Raifeartaigh models.Comment: 19 pages; v2: reference added, minor changes; v3: important typo fixe

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