Variant-action independence of physical quantities in lattice gauge theories |
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Authors: | M Campostrini A Di Giacomo G Paffuti |
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Institution: | 1. Scuola Normale Superiore di Pisa and INFN Sezione di Pisa, I-56100, Pisa, Italy 2. Dipartimento di Fisica dell'Universitá di Pisa and INFN sezione di Pisa, I-56100, Pisa, Italy
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Abstract: | The ratioR=G/σ 2 of the gluon condensate parameter over the square of the string tension is measured by Montecarlo simulation ofSU (2) gauge theory on a lattice, and shown to be variant-action independent. This result supports the statement that variant-actions belong to the same class of universality. |
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