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Extended conformal symmetry and recursion formulae for Nekrasov partition function
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Journal Article
Extended conformal symmetry and recursion formulae for Nekrasov partition function
2013
Overview
A
bstract
We derive an infinite set of recursion formulae for Nekrasov instanton partition function for linear quiver U(
N
) supersymmetric gauge theories in 4D. They have the structure of a deformed version of
algebra which is called SH
c
algebra (or degenerate double affine Hecke algebra) in the literature. The algebra contains
W
N
algebra with general central charge defined by a parameter
β
, which gives the Ω background in Nekrasov’s analysis. Some parts of the formulae are identified with the conformal Ward identity for the conformal block function of Toda field theory.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
Subject
