Epstein Secrets

s Nobel address, "For me the discovery of asymptotic freedom was totally unexpected. Like an atheist who has just received a message from a burning bush, I became an immediate true believer! Sidney Coleman had assigned his own graduate student David Politzer to do a similar calculation, and his ind

Strong Interactions." Sakurai took the 2P_GrealestSleryEverTold_AC.indd 192 12/16116 3:06 PIA EFTA00286114 Living inside a Superconductor 193 Yang-Mills suggestion seriously and tried to explore precisely which photonlike particles might convey a strong force between protons and neutrons and the oth

ited to try to make sense of the otherwise complex inter- actions between nucleons and other particles. In response to this notion that some kind of Yang-Mills symmetry might be behind the strong interaction, Murray Gell-Mann developed an elegant symmetry scheme he labeled in a Zen-like fashion the Eight-

s.Lett. B695. 219 (2011), arXiv:1009.1878. 1I81 W. Rodejohann and H. Zhang. RIEP 1206. 022 (2012),

ulations typically involve spurious gauge dependence that cancels when physical ob- servable are calculated. For example, in a spontaneously broken Yang-Mills theory one may work in the renormaliz- able class of gauges (RE) upon augmenting the Lagrangian with a gauge fixing term Cil = —GaG a /2 where G a

s.Lett. B695, 219 (2011), arXiv:1009.1878. [181 W. Rodejohann and H. Zhang. JHEP 1206. 022 (2012),

ulations typically involve spurious gauge dependence that cancels when physical ob- servable arc calculated. For example, in a spontaneously broken Yang-Mills theory one may work in the renormaliz- able class of gauges (RO upon augmenting the Lagrangian with a gauge fixing term Cgi = —G°Ga/2 where = (1/