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4 papers
Cutoff effects in maximally twisted LQCD
Giancarlo Rossi, Roberto Frezzotti, Guido Martinelli +1
The Symanzik analysis of correlators in lattice QCD with maximally twisted Wilson fermions reveals that there exist cutoff artifacts which tend to become large as the quark mass ge…
Lattice Approach to the Rule
G. C. Rossi
We discuss a number of old and new methods for computing amplitudes on the lattice. They all involve a non-perturbative determination of matching coefficients. We show how…
Schrödinger Functional and Quantization of Gauge Theories in the Temporal Gauge
G. C. Rossi
In the language of Feynman path integrals the quantization of gauge theories is most easily carried out with the help of the Schrödinger Functional (SF). Within this formalism the…
The Use of Schoonschip and Form in Perturbative Lattice Calculations
Stefano Capitani, Giancarlo Rossi
Using the formal languages Schoonschip and Form, we have developed general codes that are able to carry out all the algebraic manipulations needed to perform analytic lattice calcu…