Journal
PHYSICS LETTERS B
Volume 712, Issue 3, Pages 279-283Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2012.04.070
Keywords
SU(N-c) Yang-Mills theories; Large N-c limit; Deconfinement transition; Lattice gauge theories
Funding
- Royal Society [UF09003]
- STFC [ST/G000506/1]
- SUPA
- INFN, Laboratori Nazionali di Frascati
- STFC [ST/J00040X/1, ST/G000506/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J00040X/1, ST/G000506/1] Funding Source: researchfish
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The deconfinement transition in SU(N-c) Yang-Mills is investigated by Monte Carlo simulations of the gauge theory discretized on a spacetime lattice. We present new results for 4 <= N-c <= 8 (in particular, for N-c = 5 and N-c = 7), which are analysed together with previously published results. The increased amount of data, the improved statistics and simulations closer to the continuum limit provide us with better control over systematic errors. After performing the thermodynamic limit, numerical results for the ratio of the critical temperature T-c over the square root of the string tension root sigma obtained on lattices with temporal extensions N-t = 5, 6, 7, 8 are extrapolated to the continuum limit. The continuum results at fixed N-c are then extrapolated to N-c = infinity. We find that our data are accurately described by the formula T-c/root sigma = 0.5949(17) + 0.458(18)/N-c(2). Possible systematic errors affecting our calculations are also discussed. (C) 2012 Elsevier B.V. All rights reserved.
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