Confinement, the gluon propagator and the interquark potential for heavy mesons
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Confinement, the gluon propagator and the interquark potential for heavy mesons

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Confinement, the gluon propagator and the interquark potential for heavy mesons

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Vento Torres, Vicente
This document is a artículoDate2013

Este documento está disponible también en : http://dx.doi.org/10.1140/epja/i2013-13071-2

Este documento está disponible también en : http://hdl.handle.net/10550/33048
The interquark static potential for heavy mesons described by a massive one-gluon exchange interaction obtained from the propagator of the truncated Dyson-Schwinger equations does not reproduced the expected Cornell potential. I show that no formulation based on a finite propagator will lead to confinement of quenched QCD. I propose a mechanism based on a singular nonperturbative coupling constant which has the virtue of giving rise to a finite gluon propagator and (almost) linear confinement. The mechanism can be slightly modified to produce the screened potentials of unquenched QCD.

    Vento Torres, Vicente 2013 Confinement, the gluon propagator and the interquark potential for heavy mesons European Physical Journal A 49 6 71-1 71-7
http://dx.doi.org/10.1140/epja/i2013-13071-2

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