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T: Fachverband Teilchenphysik

T 13: QCD (Theorie) IV / Quantenfeldtheorie II

T 13.2: Vortrag

Donnerstag, 18. März 2010, 17:05–17:20, HG XVI

On the Infrared Behaviour of Landau Gauge Yang-Mills Theory with a Fundamentally Charged Scalar Field — •Leonard Fister — ITP, Heidelberg, Germany

Recently it has been shown that infrared singularities of Landau gauge QCD can confine static quarks via a linear potential. We show that the same mechanism also may confine fundamental scalar fields. This confirms that within this scenario static confinement is an universal property of the gauge sector even though it is formally represented in the functional equations of the matter sector. The simplifications compared to the fermionic case make the scalar system an ideal laboratory for a detailed analysis of the confinement mechanism in numerical studies of the functional equations as well as in gauge-fixed lattice simulations.