Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-06-03
Phys.Lett. B595 (2004) 373-378
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, Accepted for Publication in Phys.Lett.B
Scientific paper
10.1016/j.physletb.2004.06.034
The Dual Meissner Effect description of QCD in the confining region provides $\frac{1}{q^4}$ behaviour for the gluon propagator and involves the dual gluon mass $m$ as a parameter. This is used in the Schwinger-Dyson equation for the quarks in the infrared region to exhibit chiral symmetry breaking for light quarks. Using the light quark condensate as input, the dual gluon mass is determined and its importance in showing the asymptotic free behaviour of the extrinsic curvature coupling in the rigid QCD string is discussed.
Kumar Alok
Parthasarathy Raghuveer
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