Bornyakov, V. G., Horsley, R., Morozov, S. M., Nakamura, Y., Polikarpov, M. I., Rakow, P. E. L., ...
The critical temperature and the nature of the QCD finite temperature phase transition are determined for Nf=2 dynamical flavors of nonperturbatively improved Wilson fermions. The calculations are...
Infrared behavior and Gribov ambiguity in SU(2) lattice gauge theory (2008)
Bornyakov, V. G., Mitrjushkin, V. K.
For SU(2) lattice gauge theory we study numerically the infrared behavior of the Landau gauge ghost and gluon propagators with the special accent on the Gribov copy dependence. Applying a very...
The dyonic picture of topological objects in the deconfined phase (2008)
Bornyakov, V. G., Martemyanov, B. V., Muller-Preussker, M.
In the deconfinement phase of quenched SU(2) Yang-Mills theory the spectrum and localization properties of the eigenmodes of the overlap Dirac operator with antiperiodic boundary conditions are...
Bornyakov, V. G., Luschevskaya, E. V., Morozov, S. M., Polikarpov, M. I., Müller-Preussker, M.
We study SU(2) gluodynamics at finite temperature on both sides of the deconfining phase transition. We create the lattice ensembles using the tree-level tadpole-improved Symanzik action. The...
Lattice results on gluon and ghost propagators in Landau gauge (2008)
Bogolubsky, I. L., Bornyakov, V. G., Burgio, G., Müller-Preussker, M., Mitrjushkin, V. K.
We present clear evidence of strong effects of Gribov copies in Landau gauge gluon and ghost propagators computed on the lattice at small momenta by employing a new approach to Landau gauge fixing...
Finite temperature Lattice QCD with two flavors of improved Wilson fermions (2007)
Bornyakov, V. G., Morozov, S. M., Nakamura, Y., Polikarpov, M. I., Schierholz, G., Suzuki, T.
We present results of finite temperature QCD from N_f=2 flavors of non-perturbatively improved Wilson fermions on lattices with N_t=8, 10 and 12. The transition temperature T_c is determined for the...
The Landau gauge gluon propagator: Gribov problem and finite-size effects (2007)
Bogolubsky, I. L., Bornyakov, V. G., Burgio, G., Müller-Preussker, M., Schemel, P., ...
The SU(2) gluon propagator in Landau gauge is studied on the lattice. Our gauge fixing procedure employs simulated annealing and Z(2)-flips. It finds higher maxima of the gauge functional compared...
Bornyakov, V. G., Luschevskaya, E. V., Morozov, S. M., Polikarpov, M. I., Ilgenfritz, E. M., Muller-Preussker, M.
We study SU(2) gluodynamics at finite temperature near the deconfining phase transition. We create the lattice ensembles using the tadpole improved Luscher-Weisz action. The overlap Dirac operator is...
Bornyakov, V. G., Martemyanov, B. V., Morozov, S. M., Müller-Preussker, M., Veselov, A. I.
We study the properties of configurations from which P-vortices on one hand or Abelian monopoles on the other hand have been removed. We find that the zero modes and the band of non-zero modes close...
Bogolubsky, I. L., Bornyakov, V. G., Burgio, G., M"\uller-Preussker, M., Mitrjushkin, V. K.
For the gluon propagator of pure SU(2) lattice gauge theory in the Landau gauge we investigate the effect of Gribov copies and finite-volume effects. Concerning gauge fixing, we enlarge the...
Calorons and dyons at the thermal phase transition analyzed by overlap fermions (2007)
Bornyakov, V. G., Martemyanov, B. V., Morozov, S. M., Müller-Preussker, M., Veselov, A. I.
In a pilot study, we use the topological charge density defined by the eigenmodes of the overlap Dirac operator (with ultraviolet filtering by mode-truncation) to search for lumps of topological...
Spatial string tension in $N_f=2$ lattice QCD at finite temperature (2007)
Bornyakov, V. G., Lushchevskaya, E. V.
The spatial string tension across a crossover from the low temperature phase to the high temperature phase is computed in QCD with two flavors of non-perturbatively improved Wilson fermions at small...
Once more on the interrelation between Abelian monopoles and P-vortices in SU(2) LGT (2006)
Boyko, P. Yu., Bornyakov, V. G., Kovalenko, A. V., Martemyanov, B. V., Müller-Preussker, M., ...
We study the properties of configurations from which P-vortices on one hand or Abelian monopoles on the other hand have been removed. We confirm the loss of confinement in both cases and investigate...
New features of the maximal abelian projection (2005)
Bornyakov, V. G., Polikarpov, M. I., Schierholz, G., Suzuki, T., Syritsyn, S. N.
After fixing the Maximal Abelian gauge in SU(2) lattice gauge theory we decompose the nonabelian gauge field into the so called monopole field and the modified nonabelian field with monopoles...
Critical temperature in QCD with two flavors of dynamical quarks (2005)
Bornyakov, V. G., Chernodub, M. N., Mori, Y., Morozov, S. M., Nakamura, Y., Polikarpov, M. I., ...
We present results obtained in QCD with two flavors of non-perturbatively improved Wilson fermions at finite temperature on $16^3 \times 8$ and $24^3 \times 10$ lattices. We determine the transition...
Interactions of confining strings in SU(3) gluodynamics (2005)
Bornyakov, V. G., Boyko, P. Yu., Chernodub, M. N., Polikarpov, M. I.
We study the interaction energy of the confining strings in the static rectangular tetraquark system in SU(3) gluodynamics. Using a two-state approximation we calculate the energy eigenvalues and...
Universality check of Abelian Monopoles (2005)
Bornyakov, V. G., Mueller-Preussker, M.
We study the Abelian projected SU(2) lattice gauge theory after gauge fixing to the maximally Abelian gauge (MAG). In order to check the universality of the Abelian dominance we employ the tadpole...
Finite temperature QCD with two flavors of dynamical quarks on 24^3*10 lattice (2004)
Nakamura, Y., Bornyakov, V. G., Chernodub, M. N., Mori, Y., Morozov, S. M., Polikarpov, M. I., ...
We present results obtained in QCD with two flavors of non-perturbatively improved Wilson fermions at finite temperature on $16^3 \times 8$ and $24^3 \times 10$ lattices. We determine the transition...
Bornyakov, V. G., Chernodub, M. N., Ichie, H., Koma, Y., Mori, Y., Polikarpov, M. I., ...
We study the Abelian flux tube profile of mesonic and the baryonic configurations of static quarks below and above the finite-temperature transition in $N_f=2$ full QCD. To reduce effects of...
Baryonic Flux in Quenched and Two-Flavor Dynamical QCD after Abelian projection (2004)
Bornyakov, V. G., Ichie, H., Mori, Y., Pleiter, D., Polikarpov, M. I., Schierholz, G., ...
We study the distribution of color electric flux of the three-quark system in quenched and full QCD (with N_f = 2 flavors of dynamical quarks) at zero and finite temperature. To reduce ultra-violet...
Finite Temperature QCD with Two Flavors of Non-perturbatively Improved Wilson Fermions (2004)
Bornyakov, V. G., Chernodub, M. N., Ichie, H., Koma, Y., Mori, Y., Nakamura, Y., ...
We study QCD with two flavors of non-perturbatively improved Wilson fermions at finite temperature on the $16^3 8$ lattice. We determine the transition temperature at lattice spacings as small as $a...
Dynamics of monopoles and flux tubes in two-flavor dynamical QCD (2004)
Bornyakov, V. G., Ichie, H., Koma, Yoshiaki, Mori, Yoshihiro, Nakamura, Y., Pleiter, D., ...
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 nonperturbatively O...
Baryonic flux in quenched and two-flavor dynamical QCD after Abelian projection (2004)
Bornyakov, V.G., Ichie, H., Mori, Yoshihiro, Pleiter, D., Polikarpov, M.I., Schierholz, G., ...
We study the distribution of color electric flux of the three-quark system in quenched and full QCD (with Nf = 2 flavors of dynamical quarks) at zero and finite temperature. To reduce ultraviolet...
On the gauge dependence of the singlet and adjoint potentials (2003)
Belavin, V. A., Bornyakov, V. G., Mitrjushkin, V. K.
We study gauge dependence of the recently suggested definition of the singlet and adjoint potentials in SU(2) lattice gauge theory. We find that in the (time local) maximal tree axial gauge the...
Dynamics of Monopoles and Flux Tubes in Two-Flavor Dynamical QCD (2003)
Bornyakov, V. G., Ichie, H., Koma, Y., Mori, Y., Nakamura, Y., Pleiter, D., ...
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...
$q\bar q$ and $2q2\bar q$ systems in terms of P-vortices (2003)
Bornyakov, V. G., Kovalenko, A. V., Polikarpov, M. I., Sigaev, D. A.
We study the action and the energy densities of the confining string in the indirect Z(2) projection of SU(2) lattice gauge theory. We find that the width of the confining string is proportional to...
Geometry of the monopole clusters at different scales (2003)
Bornyakov, V. G., Boyko, P. Yu., Polikarpov, M. I., Zakharov, V. I.
We present results of measurements of various geometrical characteristics of the monopole clusters in the maximally Abelian projection of SU(2) lattice gauge theory. We observe scaling for the...
Numerical study of gluon propagators in Maximally Abelian gauge (2003)
Bornyakov, V. G., Chernodub, M. N., Gubarev, F. V., Morozov, S. M., Polikarpov, M. I.
Propagators of diagonal and off-diagonal gluons are studied numerically in the Maximally Abelian gauge of the SU(2) lattice gauge theory. We have found the strong enhancement of the diagonal gluon in...
Monopole clusters at short and large distances (2003)
Bornyakov, V. G., Boyko, P. Yu., Polikarpov, M. I., Zakharov, V. I.
We present measurements of various geometrical characteristics of monopole clusters in SU(2) lattice gauge theory. The maximal Abelian projection is employed and both infinite, or percolating cluster...
Bornyakov, V. G., Chernodub, M. N., Gubarev, F. V., Morozov, S. M., Polikarpov, M. I.
Propagators of the diagonal and the off-diagonal gluons are studied numerically in the Maximal Abelian gauge of SU(2) lattice gauge theory. It is found that in the infrared region the propagator of...
Monopole clusters at short and large distances (2003)
Bornyakov,V. G., Boyko,P. Yu., Polikarpov,M. I., Zakharov,V. I.
We present measurements of various geometrical characteristics of monopole clusters in SU(2) lattice gauge theory. The maximal Abelian projection is employed and both infinite, or percolating cluster...
Monopole clusters at short and large distances (2003)
Bornyakov, V. G., Boyko, P. Yu., Polikarpov, M. I., Zakharov, V. I.
We present measurements of various geometrical characteristics of monopole clusters in SU(2) lattice gauge theory. The maximal Abelian projection is employed and both infinite, or percolating cluster...
P-vortices, nexuses and effects of Gribov copies in the center gauges (2002)
Bornyakov, V. G., Komarov, D. A., Polikarpov, M. I., Veselov, A. I.
We perform the careful study of the Gribov copies problem in SU(2) lattice gauge theory for maximal direct and maximal indirect center projections. We find that this problem is much more severe than...
Gluon propagators in maximal abelian gauge of SU(2) lattice gauge theory (2002)
Bornyakov, V. G., Morozov, S. M., Polikarpov, M. I.
We study propagators of diagonal and off-diagonal gluons in the momentum space in maximal abelian gauge of SU(2) lattice gauge theory. Remaining U(1) degrees of freedom are fixed using Landau gauge....
Confining string and P-vortices in the indirect Z(2) projection of SU(2) lattice gauge theory (2002)
Bornyakov, V. G., Kovalenko, A. V., Polikarpov, M. I., Sigaev, D. A.
We study the distribution of P-vortices near the confining string in the indirect Z(2) projection of SU(2) lattice gauge theory. It occurs that the density of vortices is constant at large distances...
Anatomy of the lattice magnetic monopoles (2002)
Bornyakov,V. G., Chernodub,M. N., Gubarev,F. V., Polikarpov,M. I., Suzuki,T., Veselov,A. I., ...
We study the Abelian and non-Abelian action densitynear the monopole in the maximal Abelian gauge of SU(2) lattice gauge theory. We find that the non-Abelian action density near the monopoles...
Anatomy of the lattice magnetic monopoles (2002)
Bornyakov, V. G., Chernodub, M. N., Gubarev, F. V., Polikarpov, M. I., Suzuki, T., Veselov, A. I., ...
We study the Abelian and non-Abelian action densitynear the monopole in the maximal Abelian gauge of SU(2) lattice gauge theory. We find that the non-Abelian action density near the monopoles...
Anatomy of the lattice magnetic monopoles (2001)
Bornyakov, V. G., Chernodub, M. N., Gubarev, F. V., Polikarpov, M. I., Suzuki, T., Veselov, A. I., ...
We study the Abelian and non-Abelian action densitynear the monopole in the maximal Abelian gauge of SU(2) lattice gauge theory. We find that the non-Abelian action density near the monopoles...
P-vortices and Drama of Gribov Copies (2000)
Bornyakov, V. G., Komarov, D. A., Polikarpov, M. I.
We present results of the careful study of the Gribov copies problem in SU(2) lattice gauge theory for the direct maximal center projection widely used in confinement studies. Applying simulated...
P-vortices, nexuses and effects of gauge copies (2000)
Bornyakov, V. G., Komarov, D. A., Polikarpov, M. I., Veselov, A. I.
We perform the careful study of the gauge copies problem for the direct center projection in SU(2) lattice gauge theory. Our results indicate that this gauge is not appropriate for the investigation...
Dirac sheets and gauge fixing in $U(1)$ lattice gauge theory (1993)
Bornyakov, V. G., Mitrjushkin, V. K., Müller-Preussker, M., Pahl, F.
Photon correlators in $~U(1)~$ pure gauge theory for different lattice actions are considered under the Lorentz gauge condition. They are shown to depend strongly on the gauge fixing ambiguity and on...
Modified $U(1)$ lattice gauge theory: towards realistic lattice QED (1992)
Bornyakov, V. G., Mitrjushkin, V. K., Müller-Preussker, M.
We study properties of the compact $~4D~$ $U(1)$ lattice gauge theory with monopoles {\it removed}. Employing Monte Carlo simulations we calculate correlators of scalar, vector and tensor operators...
Dynamics of monopoles and flux tubes in two-flavor dynamical QCD
Bornyakov, V. G., Ichie, H., Koma, Yoshiaki, Mori, Yoshihiro, Nakamura, Y., Pleiter, D., ...
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 nonperturbatively O...
Baryonic flux in quenched and two-flavor dynamical QCD after Abelian projection
Bornyakov, V.G., Ichie, H., Mori, Yoshihiro, Pleiter, D., Polikarpov, M.I., Schierholz, G., ...
We study the distribution of color electric flux of the three-quark system in quenched and full QCD (with Nf = 2 flavors of dynamical quarks) at zero and finite temperature. To reduce ultraviolet...