Ward-Takahashi Identities in Large N Field Theories
M. Araki, Y. Tanii
TL;DR
This paper presents a simplified formulation of Ward-Takahashi identities in large N field theories using master fields, revealing their role as generators of symmetry transformations.
Contribution
It introduces a new, streamlined expression of Ward-Takahashi identities in large N theories through master fields, highlighting their symmetry-generating properties.
Findings
Ward-Takahashi identities are expressed simply with master fields.
Operators act as symmetry generators on master fields.
The approach clarifies the symmetry structure in large N theories.
Abstract
The Ward-Takahashi identities in large N field theories are expressed in a simple form using master fields. Operators appearing in these expressions are found to be generators of symmetry transformations acting on the master fields.
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