Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-05-12
JHEP 1007:043,2010
Physics
High Energy Physics
High Energy Physics - Theory
latex file 14 pages, 4 figures
Scientific paper
10.1007/JHEP07(2010)043
We examine the breaking of $Z_N$ symmetry recently reported for the Twisted Eguchi-Kawai model (TEK). We analyse the origin of this behaviour and propose simple modifications of twist and lattice action that could avoid the problem. Our results show no sign of symmetry breaking and allow us to obtain values of the large $N$ infinite volume string tension in agreement with extrapolations from results based upon straightforward methods.
Gonzalez-Arroyo Antonio
Okawa Masanori
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