2d TQFT structure of the superconformal indices with outer-automorphism twists

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We study the superconformal indices of 4d theories coming from 6d N = (2, 0) theory of type F on a Riemann surface, with the action of the outer-automorphism a in the trace. We find that the indices are given by the partition function of a deformed 2d Yang-Mills on the Riemann surface with gauge group G which is S-dual to the subgroup of F fixed by sigma. In the 2-parameter deformed version, we find that it is governed not by Macdonald polynomials of type G, but by Macdonald polynomials associated to twisted affine root systems.
Publisher
SPRINGER
Issue Date
2013-03
Language
English
Article Type
Article
Citation

JOURNAL OF HIGH ENERGY PHYSICS, no.3

ISSN
1029-8479
DOI
10.1007/JHEP03(2013)171
URI
http://hdl.handle.net/10203/274011
Appears in Collection
PH-Journal Papers(저널논문)
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