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Visualizations of the QCD Vacuum
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Action and topological charge densities of the Euclidean-space QCD vacuum are visualized in three-dimensional slices of a 24^3 x 36 space-time lattice and an order-a^2 improved 16^3 x 32 lattice. Features include instanton anti-instanton annihilation and a comparison of standard and over-improved actions used in the smoothing of the gauge fields.
Forward citations
Cited by 3 Pith papers
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Thick oriented and nonoriented center-vortex $SU(N)$ configurations with fractional topological charge lumps
Explicit thick SU(N) center-vortex configurations with non-Abelian phases yield fractional topological charge lumps (1/3, 2/3, 1/2) and match the geometry of lattice-observed lumps.
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Anomalies, Topology, and Hadron Structure in QCD
A review unifying the QCD axial and trace anomalies with vacuum topology, arguing that the proton spin puzzle and the U(1)_A problem are both controlled by topological screening encoded in the susceptibility slope χ′(0).
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Generic framework for non-perturbative QCD in light hadrons
The instanton liquid model, with instanton size, density, and quark mass as its main inputs, is presented as a generic framework for light-hadron vacuum condensates, matrix elements, and form factors.
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