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Potentials between static colour sources in eight different representations are computed in four dimensional SU(3) gauge theory. The simulations have been performed with the Wilson action on anisotropic lattices where the renormalised…

High Energy Physics - Lattice · Physics 2009-10-31 Gunnar S. Bali

In this article, a new calculation of static potentials between sources of different representations in SU(3) gauge group is presented. The results of author's previous study \cite{Deld00} at the smallest lattice spacing $a_{s}\simeq0.11$~…

High Energy Physics - Lattice · Physics 2009-01-07 Sedigheh Deldar

The potentials between static sources in various representaions in SU(3) are calculated based on the fat-center-vortices model of Faber, Greensite and Olejnik. At intermediate distances, most distributions of the flux within vortices lead…

High Energy Physics - Phenomenology · Physics 2010-02-03 Sedigheh Deldar

Potentials between static quarks and antiquarks from a few lowest representations were evaluated in numerical simulations of 4-dimensional pure G$_2$ lattice gauge theory at various couplings. The obtained potentials are linearly rising at…

High Energy Physics - Lattice · Physics 2010-02-17 L. Liptak , S. Olejnik

By employing the multilevel algorithm in numerical Monte Carlo simulations, we evaluate the static potential in four dimensional SU(2) lattice gauge theory with no dynamical fermions, for static sources in the j=1/2,1,3/2 representations.…

High Energy Physics - Lattice · Physics 2009-11-11 Carlo Piccioni

Recent lattice calculations have confirmed that QCD static potential for sources in different representations of the gauge group is proportional to eigenvalue of the corresponding quadratic Casimir operator with an accuracy of a few…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. I. Shevchenko , Yu. A. Simonov

The potentials and string tensions between static sources in a variety of representations (fundamental, 8, 6, 15-antisymmetric, 10, 27 and 15-symmetric) have been computed by measuring Wilson loops in pure gauge SU(3). The simulations have…

High Energy Physics - Lattice · Physics 2009-10-31 Sedigheh Deldar

Results of lattice analysis indicate that the static potential in SU(3) gauge theory is proportional to eigenvalue of quadratic Casimir operator for the corresponding representation with a good accuracy. We discuss the mechanism of possible…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. Shevchenko

We computed potentials between static color sources from the six lowest representations of G(2) lattice gauge theory, in numerical simulations with the Wilson action on asymmetric lattices with nonperturbatively estimated values of the bare…

High Energy Physics - Lattice · Physics 2008-11-26 L. Liptak , S. Olejnik

Recent accurate measurement by G.Bali of static potentials between sources in various SU(3) representations provides a crucial test of the QCD vacuum and of different theoretical approaches to the confinement. In particular, the Casimir…

High Energy Physics - Phenomenology · Physics 2009-10-31 Yu. A. Simonov

In this paper, we study the role of the domain structure of the Yang Mills vacuum. The Casimir scaling and $N$-ality are investigated in the potentials between static sources in various representations for $SU(2)$ and $SU(3)$ gauge groups…

High Energy Physics - Phenomenology · Physics 2015-03-05 Seyed Mohsen Hosseini Nejad , Sedigheh Deldar

The string tensions for fundamental and a variety of representations: adjoint, 6, 10, 15-symmetric, 15-antisymmetric, and 27 have been measured in pure gauge SU(3). The calculations have been done on anisotropic lattices, using an $O(a^2)$…

High Energy Physics - Lattice · Physics 2015-06-25 Sedigheh Deldar

We present numerical evidence that supports the theory of quark confinement based on center vortex condensation. We introduce a special gauge ("maximal center gauge") and center projection, suitable for identification of center vortices.…

High Energy Physics - Lattice · Physics 2007-05-23 L. Del Debbio , M. Faber , J. Greensite , S. Olejnik

We investigate the QCD flux tubes linking static colour charges of different SU(3) representations, relevant to the understanding of confinement and of the Lund strings of Heavy Ion Collisions. The colour field densities, the Casimir…

High Energy Physics - Lattice · Physics 2012-04-05 N. Cardoso , M. Cardoso , P. Bicudo

We study the potential energy between static charges in G(2) gluodynamics in three and four dimensions. Our work is based on an efficient local hybrid Monte-Carlo algorithm and a multi-level L\"uscher-Weisz algorithm with exponential error…

High Energy Physics - Lattice · Physics 2011-02-25 Bjoern H. Wellegehausen , Andreas Wipf , Christian Wozar

Multidimensional cosmological models with a higher dimensional space-time manifold are investigated under dimensional reduction. In the Einstein conformal frame, the effective potential for the internal scale factors is obtained. The stable…

General Relativity and Quantum Cosmology · Physics 2007-05-23 U. Guenther , S. Kriskiv , A. Zhuk

The vacuum of Yang-Mills theories can be imagined as a magnetically disordered medium with domain structure, with color magnetic flux in each domain quantized in units corresponding to the gauge group center. This model leads to the…

High Energy Physics - Lattice · Physics 2011-07-14 S. Olejnik

We discuss the Casimir scaling hypothesis on the nonperturbative force in terms of the dual superconducting picture of the QCD vacuum by calculating the string tensions of flux tubes associated with static charges in various SU(3)…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yoshiaki Koma , Miho Koma , Hiroshi Toki

We investigate the contributions of the Cartan generators in the static potentials for various representations in the framework of the domain model of center vortices for SU(3) gauge theory. Using the center domains with the cores…

High Energy Physics - Phenomenology · Physics 2020-12-17 Seyed Mohsen Hosseini Nejad

The short distance potentials between heavy SU(3) and SU(4) sources are calculated by increasing the role of vortex fluxes piercing Wilson loops with contributions close to the trivial center element and by fluctuating the vortex core size…

High Energy Physics - Phenomenology · Physics 2014-11-20 Sedigheh Deldar , Shahnoosh Rafibakhsh
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