Abstract
In d=4 and d=2 dimensions we calculate averages of certain products of γ matrices \((\pi (1 \pm \gamma _\mu )\rangle _L \) with respect to closed lattice paths of length L. The approach to the asymptotic behaviour for large L is considered and found to be quite different in d=4 and d=2 dimensions.
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References
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Institute für Theoretische Physik der Universität Hamburg, F.R.G.
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Berg, B., Billoire, A. & Foerster, D. A note on γ traces for the Wilson action in the continuum limit. Lett Math Phys 6, 293–297 (1982). https://doi.org/10.1007/BF00400325
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DOI: https://doi.org/10.1007/BF00400325