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26 Jun 2024: SWilson =. 2N. X. W W. †. (4.20). Because we’re in Euclidean spacetime, the parameter plays the same role as the in-. ... Only the plaquettes of a specific orientation. in the Wilson action (4.20) will contribute (e.g.

26 Jun 2024: 1.20). To construct representations, the first thing we do is look to the Casimirs. ... 1.56). Again, there are similar expressions for right-handed spinors. – 20 –. There’s quite a bit more to say about the two dierent representations of the

26 Jun 2024: SE[] =. Zdd3x. 1. 2@µ@. µ V (). (2.20). In the saddle point approximation, the amplitude is dominated by the classical solutions.

26 Jun 2024:  2 Z+ (2.20). This is interesting. We have an example where a parameter in an action can only. ... freedom w() and the Lagrange multiplier (). First, we ask: how can we see the quantisation condition of  (2.20) in the path.