Constraints on the IR behaviour of gluon and ghost propagator from Ward-Slavnov-Taylor identities
Ph. Boucaud, J. P. Leroy, A. Le Yaouanc, J. Micheli, O. Pène, A. Y. Lokhov, J. Rodríguez-Quintero, C. Roiesnel
Abstract
We consider the constraints of the Slavnov-Taylor identity of the IR behaviour of gluon and ghost propagators and their compatibility with solutions of the ghost Dyson-Schwinger equation and with the lattice picture.
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