Speaker
Bicudo Pedro
(Instituto Superior Técnico, Lisboa)
Description
The colour fields, created by static sources belonging to different
SU(3) representations, from the 3 to the 27,
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 utilize the technique of generalized Wilson Loops to localize the
sources, correlated with plaquettes to measure the
respective colour fields. We investigate the Casimir scaling of the
fields, measured in the static potentials by Bali.
We also study the coherence length, comparing with the dual
Ginzburg-Landau approach. With the penetration and coherence
lengths we determined the Ginzburg-Landau dimensionless parameter,
this result is consistent with a type II superconductor picture,
and with an effective dual gluon mass of $0.905\pm0.163$ GeV.
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Primary authors
Bicudo Pedro
(Instituto Superior Técnico, Lisboa)
Marco Cardoso
(CFTP, Instituto Superior Técnico, Lisboa)
Nuno Cardoso
(CFTP, Instituto Superior Técnico, Lisboa)
