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Itô terms and the Maxwell field on the lattice

Члены Ито и поле Максв елла на решетке

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Il Nuovo Cimento B (1971-1996)

Summary

If lattice renormalization effects are ignored and the number of space-time dimensions is less than four, it is explicitly shown that the effective continuum action for the Maxwell field does not contain the so-called Itô term. As is known, the qualitative reason for this result is the flat character of the integration measure.

Riassunto

Se si igaorano gli efletti della rinormalizzazione del retioolo, e se il numero delle dimensioni dello spazio-tempo è minore di quattro, si mostra esplicitamente che l’azione efficace del continuo per il campo di Maxwell non contiene il cosiddetto termine di Itô. Come si sa, la ragione qualitativa di questo risultato è il carattere piatto della misura d’integrazione.

Резюме

Если пренебречь эффе ктами перенормировк и на решетке и число пространственно-вре менных измерений мен ьше четырех, то в явном виде показы вается, что эффективное непр ерывное действие для поля Максвелла не содержи т так называемого член а Ито. Как известно, кач ественная причина полученного результата состоит в плоском характере ме ры интегрирования.

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References

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Partially supported by CONACyT-México.

Partially supported by a fellowship of the A. von Humboldt Foundation, R.F.A. and by COSNET-SEP, México.

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D’Olivo, J.C., Socolovsky, M. Itô terms and the Maxwell field on the lattice. Nuov Cim B 101, 177–181 (1988). https://doi.org/10.1007/BF02828698

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  • DOI: https://doi.org/10.1007/BF02828698

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