String contributions in 3-D Z(2) and Z(5) gauge models

Caselle, M.; Fiore, R.; Gliozzi, F.; Provero, P.; Vinti, S.

doi:10.1142/S0217751X91002318

String contributions in 3-D Z(2) and Z(5) gauge models

M. Caselle
(
- Turin U. and
- INFN, Turin
)
,
R. Fiore
(
- Calabria U. and
- INFN, Cosenza
)
,
F. Gliozzi
(
- Turin U. and
- INFN, Turin
)
,
P. Provero
(
- Genoa U. and
- INFN, Genoa
)
,
S. Vinti
(
- Turin U. and
- INFN, Turin
)

Oct, 1990

31 pages

Published in:

Int.J.Mod.Phys.A 6 (1991) 4885-4908

DOI:

10.1142/S0217751X91002318

Report number:

DFTT-26-90

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Abstract: (WSP)

We describe a high precision Monte Carlo test on Z2 and Z5 gauge models in 3D. Wilson loops of size 2≤R, T≤12 are measured and values of the string tension σ are extracted. These values fulfil asymptotic scaling if and only if the string contributions, namely the quantum fluctuations of the surfaces bordered by Wilson loops, are properly taken into account. As a byproduct of our analysis we find the signature of the finite thickness of these flux tubes.

gauge field theory: Z(2)
gauge field theory: Z(5)
lattice field theory
dimension: 3
Wilson loop
string tension
scaling
correction: string
numerical calculations: Monte Carlo

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