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An E7 surprise
DOI:10.1007/JHEP10(2012)129.png)
Abstract
En 中文
We explore some curious implications of Seiberg duality for an SU(2) four-dimensional gauge theory with eight chiral doublets. We argue that two copies of the theory can be deformed by an exactly marginal quartic superpotential so that they acquire an enhanced E-7 flavor symmetry. We argue that a single copy of the theory can be used to define an E-7-invariant superconformal boundary condition for a theory of 28 five-dimensional free hypermultiplets. Finally, we derive similar statements for three-dimensional gauge theories such as an SU(2) gauge theory with six chiral doublets or N-f = 4 SQED.
Keywords:
Supersymmetry and Duality
Supersymmetric gauge theory
Field Theories in Higher Dimensions
Global Symmetries
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5.5
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4.0W
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13.7W

