Ward-Takahashi Identities in Large N Field Theories
arXiv:hep-th/9602141 · doi:10.1016/0370-2693(96)00739-3
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.
8 pages, LaTeX