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Monopoles, vortices and confinement in SU(3) gauge theory
L. Del Debbio, A. Di Giacomo, B. Lucini
We compute, in SU(3) pure gauge theory, the vacuum expectation value (vev) of the operator which creates a vortex wrapping the lattice through periodic boundary conditions (d…
Vortices versus monopoles in color confinement
L Del Debbio, A Di Giacomo, B Lucini
We construct the creation operator of a vortex for SU(2) pure gauge theory using the methods developed for monopoles. We interpret its vacuum expectation value as a disorder parame…
Decay Constants of B and D Mesons from Non-perturbatively Improved Lattice QCD
K. C. Bowler, L. Del Debbio, J. M. Flynn +4
The decay constants of B, D and K mesons are computed in quenched lattice QCD at two different values of the coupling. The action and operators are O(a) improved with non-perturbat…
Vortices, monopoles and confinement
L Del Debbio, A Di Giacomo, B Lucini
We construct the creation operator of a vortex using the methods developed for monopoles. The vacuum expectation value of this operator is interpreted as a disorder parameter descr…