Large N gauge theories -- Numerical results(4)
发布时间：2021-06-06
Some physical results in four dimensional large N gauge theories on a periodic torus are summarized.
4
4.PionsinlargeNQCD
SincechiralsymmetryisbrokeninlargeNQCDevenin nitevolume,oneshouldbeabletoobservemasslesspionsin nitevolume.Thisresultemergesinthefollowingmanner9.Propertiesofasinglequarkinaback-groundgauge eldAµ(x)cannotdependonashiftofAµ(x)→Aµ(x)+p
µ
otherseesAµ(x)→Aµ(x)
pµ
2l
andthe
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