https://doi.org/10.1140/epja/i2006-10295-1
QNP 2006
Constraints on the IR behaviour of gluon and ghost propagator from Ward-Slavnov-Taylor identities
1
Laboratoire de Physique Théorique et Hautes Energies, Université de Paris XI, Bâtiment 211, F-91405, Orsay Cedex, France
2
Centre de Physique Théorique de l'Ecole Polytechnique, F-91128, Palaiseau cedex, France
3
Departamento Física Aplicada, Facultad de Ciencias Experimentales, Universidad de Huelva, E-21071, Huelva, Spain
Received:
22
December
2006
Accepted:
1
January
2007
Published online:
20
March
2007
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.
PACS: 12.38.Aw General properties of QCD (dynamics, confinement, etc.) – / 12.38.Gc Lattice QCD calculations – / 11.15.-q Gauge field theories – / 11.15.Ha Lattice gauge theory –
© Società Italiana di Fisica and Springer-Verlag, 2007