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Dimensional regularization and anomalies

Раэмерная регуляриэация и аномалии

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Il Nuovo Cimento A (1965-1970)

Summary

The renormalized Callan-Symanzik equation and chiral Ward identity for QED are derived in the framework of dimensional regularization. A new proof of the Adler-Bardeen theorem on the absence of radiative corrections in the triangle anomaly is obtained.

Riassunto

Utilizzando il metodo di regolarizzazione dimensionale, si ricavano le equazioni di Callan e Symanzik e l’identità di Ward assiale per l’elettrodinamica quantistica e si ottiene una nuova prova del teorema di Adler e Bardeen sull’assenza di correzioni radiative nell’anomalia della corrente assiale.

Реэюме

В рамках раэмерной регуляриэации выводится перенормированное уравнение Челлена-Симанэика и игральное тождество Уорда для квантовой злектро-динамики. Получается новое докаэательство теоремы Адлера-Бардина при отсу-тствии радиационных поправок в треугольной аномалии.

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Marinucci, T., Tonin, M. Dimensional regularization and anomalies. Nuov Cim A 31, 381–400 (1976). https://doi.org/10.1007/BF02729738

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  • DOI: https://doi.org/10.1007/BF02729738

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