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hep-th2011
Realization of Chiral Symmetry in the ERG
Yoshio Echigo, Yuji Igarashi
We discuss within the framework of the ERG how chiral symmetry is realized in a linear model. A generalized Ginsparg-Wilson relation is obtained from the Ward-Takahashi identit…
hep-th2011★ 2 cited
Anomalies in the ERG Approach
Yuji Igarashi, Katsumi Itoh, Masanao Sato +1
The antifield formalism adapted in the exact renormalization group is found to be useful for describing a system with some symmetry, especially the gauge symmetry. In the formalism…
hep-th2007★ 17 cited
Quantum Master Equation for QED in Exact Renormalization Group
Yuji Igarashi, Katsumi Itoh, Hidenori Sonoda
Recently, one of us (H.S.) gave an explicit form of the Ward-Takahashi identity for the Wilson action of QED. We first rederive the identity using a functional method. The identity…