Induced color charge and quark propagation at Polyakov’s loop background
Journal of Physics and Electronics(2022)
摘要
In quarkgluon plasma, the presence of the A0 (Polyakov loop (PL)) condensate results in the color Z(3) symmetry breaking and the Furry theorem violation. Due to these peculiarities, new phenomena the induced color charges and other evennumber diagram effects are realized. Using the R̄ξ gauge, we obtain the ξ-independent twoloop effective potential W (A0classical) expressed in terms of the PL. Its minimum position detects the value of the condensate. We calculate the oneloop tadpole diagram with one gluon line and the induced color charges Qind. Having these, we investigate the influence of the color charges on quark propagation and derive and partially investigate the contribution of them into the Schwinger-Dyson equation for quarks. It is found that the presence of Qind effectively increases the strength of the A0 potential acting on colored particles in the plasma.
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关键词
quark propagation,color charge,polyakovs
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