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Embedded vortices and their interactions at electroweak crossover
M. N. Chernodub, E. -M. Ilgenfritz, A. Schiller
We study properties of Z-vortices in the crossover region of the 3D SU(2) Higgs model. Correlators of the vortex currents with gauge field energy and Higgs field squared ("quantum…
Gauge invariant field strength correlators from RG smoothing and color correlations between topological charge clusters
E. -M. Ilgenfritz, S. Thurner
Using the renormalization group based smoothing technique we have studied the gauge invariant field strength correlator at T\ne0 and T=0 in pure SU(2) gauge theory. In conjunction…
Vortex profiles and vortex interactions at the electroweak crossover
M. N. Chernodub, E. -M. Ilgenfritz, A. Schiller
Local correlations of Z-vortex operators with gauge and Higgs fields (lattice quantum vortex profiles) as well as vortex two-point functions are studied in the crossover region nea…
Decorrelation of the topological charge in tempered Hybrid Monte Carlo simulations of QCD
E. -M. Ilgenfritz, Werner Kerler, H. Stüben
We study the improvement of simulations of QCD with dynamical Wilson fermions by combining the Hybrid Monte Carlo algorithm with parallel tempering. As an indicator for decorrelati…
Field Strength Correlators and Gluon Condensates at Finite Temperature from Renormalization Group Smoothing
E. -M. Ilgenfritz, S. Thurner
We summarize recent attempts to extract characteristics of non-perturbative vacuum structure from lattice measurements of the gauge invariant field strength correlator. As an alter…
Monopole characteristics in various Abelian gauges
E. -M. Ilgenfritz, S. Thurner, H. Markum +1
Renormalization group (RG) smoothing is employed on the lattice to investigate and to compare the monopole structure of the SU(2) vacuum as seen in different gauges (maximally Abel…