Results 1 to 10 of about 15,474 (136)

Centre vortex structure of QCD-vacuum fields and confinement

open access: yesSciPost Physics Proceedings, 2022
The non-trivial ground-state vacuum fields of QCD form the foundation of matter. Using modern visualisation techniques, this presentation examines the microscopic structure of these fields.
Derek Leinweber, James Biddle, Waseem Kamleh
doaj   +5 more sources

Vortex structure of the vacuum and confinement [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2001
LATTICE2000 (Topology and Vacuum), 4 pages, 1 epsf figure ...
Kovács, T. G., Tomboulis, E. T.
openaire   +4 more sources

Regge spectra of excited mesons, harmonic confinement, and QCD vacuum structure [PDF]

open access: yesPhysical Review D, 2016
27 pages, 18 figures; corrected caption for fig ...
Nedelko, Sergei N., Voronin, Vladimir E.
openaire   +4 more sources

Confinement and vacuum structure in compact QED on the lattice

open access: yesPhysics Letters B, 1987
Abstract Using an effective action and assuming that the physical ground state has no structure, we demonstrate that the spectrum of the compact U(1) gauge model has massless (vector and scalar) bosons.
V Azcoiti
openaire   +3 more sources

Confinement, vacuum structure: from QCD to quantum gravity [PDF]

open access: yesNuclear Physics A, 2010
A minimal Lorentz gauge gravity model with R^2-type Lagrangian is proposed. In the absence of torsion the model admits a topological phase with unfixed metric. The model possesses a minimal set of dynamical degrees of freedom for the torsion. Remarkably, the torsion has the same number of dynamical of-shell degrees of freedom as the metric tensor.
openaire   +4 more sources

Charge confinement and vacuum structure in the 1 + 1 dimensional Higgs model

open access: yesNuclear Physics B, 1979
Abstract We demonstrate that the 1 + 1 dimensional Higgs model is equivalent to the massive sine-Gordon model, and hence to the massive Schwinger model in a special case. We do this by deriving a dual Lagrangian which embodies instanton effects. Based on this equivalence, we discuss charge confinement and vacuum structure in the Lagrangian formalism.
openaire   +3 more sources

Dynamical fermions, centre vortices, and emergent phenomena [PDF]

open access: yesEPJ Web of Conferences, 2022
The non-trivial ground-state vacuum fields of QCD form the foundation of matter. Here we examine the centre vortices identified within the ground-state fields of lattice QCD.
Leinweber Derek   +3 more
doaj   +1 more source

The chiral condensate of N f = 2 + 1 QCD from the spectrum of the staggered Dirac operator

open access: yesJournal of High Energy Physics, 2023
We compute the chiral condensate of 2 + 1 QCD from the mode number of the staggered Dirac operator, performing controlled extrapolations to both the continuum and the chiral limit.
Claudio Bonanno   +2 more
doaj   +1 more source

Different Faces of Confinement

open access: yesUniverse, 2021
In this review, we provide a short outlook of some of the current most popular pictures and promising approaches to non-perturbative physics and confinement in gauge theories. A qualitative and by no means exhaustive discussion presented here covers such
Roman Pasechnik, Michal Šumbera
doaj   +1 more source

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