期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2010)108
关键词
Supersymmetric gauge theory; AdS-CFT Correspondence; Chern-Simons Theories
资金
- Harvard University
- NSF [PHY-0847457]
- Division Of Physics
- Direct For Mathematical & Physical Scien [0847457] Funding Source: National Science Foundation
We argue that a large class of N = 2 Chern-Simons-matter theories in three dimensions have a continuous family of exact IR fixed points described by suitable quartic superpotentials, based on holomorphy. The entire family exists in the perturbative regime. A nontrivial check is performed by computing the 4-loop beta function of the quartic couplings, in the 't Hooft limit, with a large number of flavors. We find that the 4-loop beta function can only deform the family of 2-loop fixed points, and does not change the dimension of this family. We further present an explicit computation of a perturbative correction to the Zamolodchikov metric on this space of three-dimensional superconformal field theories.
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