Gauge Covariance of the Gap Equation: From the Rainbow Truncation to Gauge Symmetry Constraints

Autor(es)

El-Bennich, Bruno

• Tipo de documento: Artigo Científico
• Fonte: SYMMETRY-BASEL; v. 17, n. 1, p. 12-pg., 2025-01-01.

Resumo

The gauge covariance of the quark gap equation is compared for the case of three different quark-gluon vertices: the bare vertex, a Ball-Chiu-like vertex constrained by the corresponding Slavnov-Taylor identity, and a full vertex including the transverse components derived from transverse Slavnov-Taylor identities. The covariance properties are verified with the chiral quark condensate and the pion decay constant in the chiral limit. (AU)

• Processo FAPESP: 23/00195-8 - A estrutura constituinte e a tomografia de hádrons
• Beneficiário: Bruno Omar El Bennich
• Modalidade de apoio: Auxílio à Pesquisa - Regular