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Related papers: SU(3) quark-antiquark QCD flux tube

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The colour fields created by the static tetraquark and pentaquark systems are computed in quenched SU(3) lattice QCD, with gauge invariant lattice operators, in a 24^3 x 48 lattice at beta=6.2 . We generate our quenched configurations with…

High Energy Physics - Lattice · Physics 2012-10-12 Pedro Bicudo , Nuno Cardoso , Marco Cardoso

We analyze the distribution of the chromoelectric field generated by a static quark-antiquark pair in the SU(3) vacuum. We find that the transverse profile of the flux tube resembles the dual version of the Abrikosov vortex field…

High Energy Physics - Lattice · Physics 2011-10-03 Mario S. Cardaci , Paolo Cea , Leonardo Cosmai , Rossella Falcone , Alessandro Papa

An estimate of the London penetration and coherence lengths in the vacuum of the SU(3) pure gauge theory is given downstream an analysis of the transverse profile of the chromoelectric flux tubes. Within ordinary superconductivity, a simple…

High Energy Physics - Lattice · Physics 2013-11-01 Paolo Cea , Leonardo Cosmai , Francesca Cuteri , Alessandro Papa

Evidence from the lattice suggests that formation of a flux tube between a $q\bar{q}$ pair in the QCD vacuum leads to quark confinement. For large separations between the quarks, it is conjectured that the flux tube has a behaviour similar…

High Energy Physics - Lattice · Physics 2009-11-23 Bastian B. Brandt , Pushan Majumdar

The transverse profile of the chromoelectric flux tubes in SU(2) and SU(3) pure gauge theories is analyzed by a simple variational ansatz using a strict analogy with ordinary superconductivity. Our method allows to extract the penetration…

High Energy Physics - Lattice · Physics 2015-06-11 Paolo Cea , Leonardo Cosmai , Alessandro Papa

We measure the spatial distribution of all components of the color fields surrounding a static quark antiquark pair in QCD with (2+1) HISQ flavors. We isolate the nonperturbative component of the longitudinal chromoelectric color field…

High Energy Physics - Lattice · Physics 2021-11-15 M. Baker , V. Chelnokov , L. Cosmai , F. Cuteri , A. Papa

We show the flux tubes produced by static quark-antiquark, quark-quark and quark-gluon charges at finite temperature. The sources are placed in the lattice with fundamental and adjoint Polyakov loops. We compute the square densities of the…

High Energy Physics - Lattice · Physics 2016-08-30 Pedro Bicudo , Nuno Cardoso , Marco Cardoso

We report on the results of measuring the chromoelectric fields in a flux tube created by a static quark-antiquark pair in the finite-temperature SU(3) gauge theory. Below the deconfinement temperature the field behavior is similar to the…

High Energy Physics - Lattice · Physics 2023-10-09 M. Baker , V. Chelnokov , L. Cosmai , F. Cuteri , A. Papa

The static three-quark potential and pseudo-potential of a pure SU(3) gauge theory are studied in a five-dimensional framework known as AdS/QCD. The results support the Y-ansatz for the baryonic area law. A comparison with the…

High Energy Physics - Phenomenology · Physics 2010-05-12 Oleg Andreev

Using lattice Monte Carlo simulations of SU(3) pure gauge theory, we determine the spatial distribution of all components of the color fields created by a static quark and antiquark. We identify the components of the measured chromoelectric…

High Energy Physics - Lattice · Physics 2019-06-26 M. Baker , P. Cea , V. Chelnokov , L. Cosmai , F. Cuteri , A. Papa

We calculate the squared gluon field strengths of a heavy q-$\rm \bar{q}$-pair in the model of the stochastic vacuum. We observe that with increasing separation a chromoelectric flux tube is built. The properties of the emerging flux tube…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Rueter H. G. Dosch

The dual formulation of the compact U(1) lattice gauge theory in three spacetime dimensions allows to finely study the squared width and the profile of the confining flux tube on a wide range of physical interquark distances. The results…

High Energy Physics - Lattice · Physics 2017-03-27 Michele Caselle , Marco Panero , Davide Vadacchino

We study the behavior of the confining flux tube in $N_f=2+1$ QCD at the physical point, discretized with the stout smearing improved staggered quark action and the tree level Symanzik gauge action. We discuss how it depends on a uniform…

High Energy Physics - Lattice · Physics 2018-04-18 Claudio Bonati , Salvatore Cali , Massimo D'Elia , Michele Mesiti , Francesco Negro , Andrea Rucci , Francesco Sanfilippo

The hypothesis that the QCD vacuum can be modeled as a dual superconductor is a powerful tool to describe the distribution of the color field generated by a quark-antiquark static pair and, as such, can provide useful clues for the…

High Energy Physics - Lattice · Physics 2017-06-28 Paolo Cea , Leonardo Cosmai , Francesca Cuteri , Alessandro Papa

The emergence of flux-tubes as the distance is increased between a quark and an antiquark is explored in a three-dimensional confining gauge theory using the gauge/gravity duality. We delineate the shape of the flux-tube corresponding to…

High Energy Physics - Theory · Physics 2019-08-21 Vikram Vyas

The distribution of gluon fields in hadrons is of fundamental interest in QCD. Using lattice QCD we have observed the formation of gluon flux tubes within 3 quark (baryon) and quark plus antiquark (meson) systems for a wide variety of…

High Energy Physics - Lattice · Physics 2010-01-07 F. Bissey , A. I. Signal , D. B. Leinweber

We compute energies and energy densities of static electromagnetic flux tubes in three and four spacetime dimensions. Our calculation uses scattering data from the potential induced by the flux tube and imposes standard perturbative…

High Energy Physics - Theory · Physics 2010-04-05 N. Graham , V. Khemani , M. Quandt , O. Schroeder , H. Weigel

First we review the derivation of the relativistic flux tube model for a quark-antiquark system from Wilson area law as we have given in a preceding paper. Then we extend the method to the three-quark case and obtain a Lagrangian…

High Energy Physics - Phenomenology · Physics 2016-09-01 N. Brambilla , G. M. Prosperi , A. Vairo

Using the overlap-Dirac eigenmodes, we study the spatial distribution of the chiral condensate around static color sources in lattice QCD. Between the color sources, there appears a color-flux tube, which leads a linear confining potential.…

High Energy Physics - Lattice · Physics 2014-01-20 Takumi Iritani , Guido Cossu , Shoji Hashimoto

The colour fields, created by a static gluon-quark-antiquark system, are computed in quenched SU(3) lattice QCD, in a $24^3\times 48$ lattice at $\beta=6.2$ and $a=0.07261(85)\,fm$. We compute the hybrid Wilson Loop including the cases when…

High Energy Physics - Lattice · Physics 2012-11-21 N. Cardoso , M. Cardoso , P. Bicudo