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Vacuum condensate of mass dimension 2 as the origin of mass gap and quark confinement (A review)

Kei-Ichi Kondo

hep-pharXiv:hep-ph/0110013

Abstract

This is a brief summary of recent works on the possibility of vacuum condensate of mass dimension 2 in Yang-Mills theory as the gluon sector of QCD. In particular, I discuss the physical implications due to this condensate, especially, for the mass gap and quark confinement. This talk is mainly based on a recent paper [1] and papers in preparation [2].

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