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On a possibility for the elimination of the non-physical consequences of the indefinite metric

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Il Nuovo Cimento (1955-1965)

Summary

Bogoljubov’s method for the elimination of the non-physical consequences of the indefinite metric has been analised. We have proved that this method is equivalent to a very complicated non-local theory in which, however, there is no need to use the indefinite metric and where the usual concepts of a quantum theory can be applied. Besides, we have outlined the way of constructing a non-local theory having usual commutation relations.

Riassunto

Si è analizzato il metodo di Bogoljubov per l’eliminazione delle conseguenze non fisiche della metrica indefinita. Abbiamo dimostrato che questo metodo è equivalente a una teoria non locale molto complicata, in cui, tuttavia, non occorre far uso della metrica indefinita e sono applicabili i concetti usuali di una teoria quantistica. Abbiamo inoltre delineato il modo di costruire una teoria non locale dotata di relazioni di commutazioni ordinarie.

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Nagy, K.L. On a possibility for the elimination of the non-physical consequences of the indefinite metric. Nuovo Cim 10, 1071–1077 (1958). https://doi.org/10.1007/BF02859569

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  • DOI: https://doi.org/10.1007/BF02859569

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