Universality and RG-improved gauge actions

Details Universality and RG-improved gauge actions Universality and RG-improved gauge actions

2002-08-26

arxiv.org/abs/hep-lat/0208052v2

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 3 figures, Lattice2002(improve) (misprint in formula (8) corrected)

Scientific paper

The reference energy scale r_0 is evaluated for RG-improved Iwasaki and DBW2
gauge actions (N_f = 0), at values of the deconfinement coupling beta_c
corresponding to N_t = 3,4,6,8. The universality of r_0 T_c between Iwasa ki
and Wilson action is confirmed; the scaling behaviour and the influence of th e
violation of positivity in the extraction of effective masses are investigated.

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