Dynamics of Monopoles and Flux Tubes in Two-Flavor Dynamical QCD

Abstract

We investigate the confining properties of the QCD vacuum with $N_f=2$ flavors of dynamical quarks, and compare the results with the properties of the quenched theory. We use non-perturbatively $\mathcal{O}(a)$ improved Wilson fermions to keep cut-off effects small. We focus on color magnetic monopoles. Among the quantities we study are the monopole density and the monopole screening length, the static potential and the profile of the color electric flux tube. We furthermore derive the low-energy effective monopole action. Marked differences between the quenched and dynamical vacuum are found.

arXiv comment34 pages, 28 figures, Latex

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• Perfect Abelian dominance of quark confinement in SU(3) QCD
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• Dimensional Transmutation by Monopole Condensation in QCD
• Finite Temperature QCD with Two Flavors of Non-perturbatively Improved Wilson Fermions
• The Maximal Abelian Gauge in SU(N) Gauge Theories and Thermal Monopoles for N = 3
• Preconditioning Maximal Center Gauge with Stout Link Smearing in SU(3)
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• Non-Abelian dual superconductivity in SU(3) Yang-Mills theory: dual Meissner effect and type of the vacuum
• Properties of P-vortex and monopole clusters in lattice SU(2) gauge theory
• Dyon structures in the deconfinement phase of lattice gluodynamics: topological clusters, holonomies and Abelian monopoles
• Are there monopoles in the quark-gluon plasma?
• Confining string and its widening in HP1 embedding approach
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• Abelian monopoles in finite temperature lattice SU(2) gluodynamics: first study with improved action
• Chiral symmetry breaking and monopoles in gauge theories
• Gluonic-Excitation Energies and Abelian Dominance in SU(3) QCD
• Static potential and local color fields in unquenched lattice QCD${}_3$
• Decomposition of the static potential in SU(3) gluodynamics
• Thermodynamics and statistical physics of quasiparticles within the quark-gluon plasma model
• An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature
• Monopoles, spectra of overlap fermions, and eta-prime meson in external magnetic fields
• Confinement encoded in Landau gauge gluon and ghost propagators