Summary
The original generating functional ofn-point functions describing a given quantum field theory is substituted by a linear, multiparametrical functional to construct a generalized perturbation theory which describes a more subtle dependence on the coupling constant.
Riassunto
Si sostituisce il funzionale generatore originario della funzione adn punti che descrive una teoria data dei campi quantici con un funzionale lineare a molti parametri per costruire una teoria generalizzata della perturbazione che describe una dipendenza piú complessa dalla costante di accoppiamento.
Резуме
йсходныи производяшии функционал для и-точечных функций, описываюших заданную квантовую полевую теорию, заменяется линейным многопараметрически м функционалом, чтобы сконструироватя обобшеннуу теориу возмушении, которая описывает более тонкуу зависимостя от константы связи.
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Hańćkowiak, J. A hierarchy of embeddings of generating functionals in quantum field theory. Nuov Cim A 94, 249–270 (1986). https://doi.org/10.1007/BF02913866
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DOI: https://doi.org/10.1007/BF02913866