Topological charge screening and the infrared behavior of the instanton density

2006/11/15 by Nikolai Kochelev, Kochelev, Nikolai
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #hep-lat #hep-ph #hep-th

paper · pdf · doi:10.48550/arxiv.hep-ph/0611198

6 pages,1 figure, references added

arxiv created 2006/11/20 · arxiv updated 2009/12/01

Abstract

A new mechanism for suppression of the instanton density in the infrared is considered. This mechanism is based on the phenomenon of topological charge screening, which leads to an effective cutoff in the contribution of large instantons.

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