Color dielectric model with two scalar fields

Details Color dielectric model with two scalar fields Color dielectric model with two scalar fields

2003-07-16

arxiv.org/abs/hep-ph/0307213v1

Eur.Phys.J. C30 (2003) 537-545

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, LaTeX, Accepted for publication in Eur. Phys. J. C

Scientific paper

10.1140/epjc/s2003-01305-3

SU(2) Yang-Mills theory coupled in a non-minimal way to two scalar fields is discussed. For the massless scalar fields a family of finite energy solutions generated by an external, static electric charge is found. Additionally, there is a single solution which can be interpreted as confining one. Similar solutions have been obtained in the magnetic sector. In case of massive scalar fields the Coulomb problem is investigated. We find that asymptotic behavior of the fields can also, for some values of the parameter of the model, give confinement of the electric charge. Quite interesting one glueball--meson coupling gives the linear confining potential. Finally, it is shown that for one non-dynamical scalar field we derive the color dielectric generalization of the Pagels--Tomboulis model.

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