Finite theories and marginal operators on the brane | Zendy

Amihay Hanany | Zendy; Matthew J. Strassler | Zendy; Ángel M. Uranga | Zendy

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Finite theories and marginal operators on the brane

Author(s) -

Amihay Hanany,

Matthew J. Strassler,

Ángel M. Uranga

Publication year - 1998

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 - 10.1088/1126-6708/1998/06/011

Subject(s) - superstring theory , duality (order theory) , brane , dimensionless quantity , group (periodic table) , physics , theoretical physics , brane cosmology , space (punctuation) , field theory (psychology) , mathematics , field (mathematics) , mathematical physics , pure mathematics , supersymmetry , quantum mechanics , computer science , operating system

We show how to use D and NS fivebranes in Type IIB superstring theory toconstruct large classes of finite N=1 supersymmetric four dimensional fieldtheories. In this construction, the beta functions of the theories are directlyrelated to the bending of branes; in finite theories the branes are not bent,and vice versa. Many of these theories have multiple dimensionless couplings. Agroup of duality transformations acts on the space of dimensionless couplings;for a large subclass of models, this group always includes an overall$SL(2,\ZZ)$ invariance. In addition, we find even larger classes of theorieswhich, although not finite, also have one or more marginal operators.Comment: 32 pages, 13 figures, uses revte

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