TY - JOUR
T1 - Conformal or confining - Results from lattice gauge theory for higher-representation gauge theories
AU - Svetitsky, Benjamin
PY - 2012
Y1 - 2012
N2 - We have calculated the running coupling in SU(2), SU(3), and SU(4) gauge theories to see whether they have infrared fixed points. An infrared fixed point means no confinement: It means that the long-distance physics is conformal, without a mass scale and indeed without a particle spectrum. All these theories run slowly in perturbation theory, so a nonperturbative determination is interesting.
AB - We have calculated the running coupling in SU(2), SU(3), and SU(4) gauge theories to see whether they have infrared fixed points. An infrared fixed point means no confinement: It means that the long-distance physics is conformal, without a mass scale and indeed without a particle spectrum. All these theories run slowly in perturbation theory, so a nonperturbative determination is interesting.
UR - http://www.scopus.com/inward/record.url?scp=84887549066&partnerID=8YFLogxK
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AN - SCOPUS:84887549066
SN - 1824-8039
JO - Proceedings of Science
JF - Proceedings of Science
T2 - 10th Conference on Quark Confinement and the Hadron Spectrum, Confinement 2012
Y2 - 8 October 2012 through 12 October 2012
ER -