Unquenching effects in the quark and gluon propagator

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Kamleh, Waseem
Bowman, Patrick O.
Leinweber, Derek B.
Williams, Anthony G.
Zhang, Jianbo
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Abstract
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In this work we examine the Fat-Link Irrelevant Clover (FLIC) overlap quark propagator and the gluon propagator on both dynamical and quenched lattices. The tadpole-improved Luscher-Weisz gauge action is used in both cases. The dynamical gauge fields use the FLIC fermion action for the sea quark contribution. We observe that the presence of sea quarks causes a suppression of the mass function, quark renormalization function and gluon dressing function in the infrared. The ultraviolet physics is unaffected.
Comment: 10 pages, 7 figures
Keywords
High Energy Physics - Lattice
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