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hep-lat1998★ 1 cited
Testing the efficiency of different improvement programs
Sergio Caracciolo, Andrea Montanari, Andrea Pelissetto
We study the finite-size behaviour of a tree-level on-shell improved action for the N-vector model. We present numerical results for N=3 and analytic results in the large-N limit f…
hep-lat1998★ 1 cited
Operator product expansion and non-perturbative renormalization
Sergio Caracciolo, Andrea Montanari, Andrea Pelissetto
It has been recently proposed to use the operator product expansion to evaluate the expectation values of renormalized operators without the need of a direct computation of the rel…