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5 papers
Transfer matrix and nonperturbative renormalization of fermionic currents in lattice QCD
V. K. Mitrjushkin
The functional integral representation for fermionic observables on the lattice is studied. In particular, Grassmannian representations of the scalar $\hatJ^{(S)}$ and pseudoscalar…
Gluon propagators and the choice of the gauge field in SU(2) theory on the lattice
I. L. Bogolubsky, V. K. Mitrjushkin
We study numerically magnetic and electric gluon propagators and their dependence on the choice of the lattice gauge field $\caa_{xμ}$ in SU(2) gauge theory, espe…
Lorentz gauge fixing and lattice QED
I. L. Bogolubsky, V. K. Mitrjushkin, M. Muller-Preussker +2
The Gribov ambiguity problem is studied for compact lattice QED within the Lorentz gauge. In the Coulomb phase, Gribov copies are mainly caused by double Dirac sheets and zero-mome…
Compact U(1) Lattice Gauge-Higgs Theory with Monopole Suppression
Balasubramanian Krishnan, U. M. Heller, V. K. Mitrjushkin +1
We investigate a model of a U(1)-Higgs theory on the lattice with compact gauge fields but completely suppressed (elementary) monopoles. We study the model at two values of the qua…
Modified lattice gauge theory: towards realistic lattice QED
V. G. Bornyakov, V. K. Mitrjushkin, M. Müller-Preussker
We study properties of the compact lattice gauge theory with monopoles {\it removed}. Employing Monte Carlo simulations we calculate correlators of scalar, vector and…