期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2016)004
关键词
Conformal and W Symmetry; Extended Supersymmetry
资金
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme under REA Grant [317089]
- Raum-Zeit-Materie. Analytische und Geometrische Strukturen [SFB 647]
We study protected correlation functions in N = 2 SCFT whose description is captured by a two-dimensional chiral algebra. Our analysis implies a new analytic bound for the c-anomaly as a function of the flavor central charge k, valid for any theory with a flavor symmetry. Combining our result with older bounds in the literature puts strong constraints on the parameter space of N = 2 theories. In particular, it singles out a special set of models whose value of c is uniquely fixed once k is given. This set includes the canonical rank one N = 2 SCFTs given by Kodaira's classification.
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