Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1998-09-20
Nucl.Phys.Proc.Suppl. 73 (1999) 509-511
Physics
High Energy Physics
High Energy Physics - Lattice
LATTICE98(confine), 3 pages, 2 figures
Scientific paper
10.1016/S0920-5632(99)85120-2
We study the topological and fermionic vacuum structure of four-dimensional QCD on the lattice by means of correlators of fermionic observables and topological densities. We show the existence of strong local correlations between the topological charge density and the quark condensate, charge and chiral density. By analysis of individual gauge configurations, we visualize that instantons (antiinstantons) carry positive (negative) chirality, whereas the quark charge density fluctuates in sign within instantons.
Markum Harald
Sakuler Wolfgang
Thurner Stefan
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