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Problem of gauge independence in renormalization group equations

Проблема калибровочной независимости в уравнениях для группы перенормировки

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Il Nuovo Cimento A (1965-1970)

Summary

We investigate the problem of the gauge independence in the discussions based on renormalization group equations. This problem is trivial only in the minimal-subtraction renormalization scheme. In the Weinberg and the Georgi-Politzer schemes, however, this is nontrivial and should be considered seriously. A method to improve this problem is proposed.

Riassunto

Si studia il problema dell'indipendenza dalla gauge nelle discussioni basate sulle equazioni del gruppo di rinormalizzazione. Il problema è banale solo nello schema di rinormalizzazione a sottrazione minima. Negli schemi di Georgi-Politzer, comunque ciò non è banale e dovrebbe essere considerato seriamente. Si propone un metodo per migliorare questo problema.

Резюме

Мы исследуем проблему калибровочной независимости на основе уравнений для группы перенормировки. Эта проблема является тривиальной только в схеме перенормировки с минимальным вычитанием. Однако, в схемах Вейнберга и Джорджи-Политцера проблема не является тривиальной и требует серьезного рассмотрения. Предлагается метод рассмотрения этой проблемы.

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Footnotes

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Kakudo, Y., Yamamoto, K. Problem of gauge independence in renormalization group equations. Nuov Cim A 91, 163–173 (1986). https://doi.org/10.1007/BF02813479

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  • DOI: https://doi.org/10.1007/BF02813479

PACS. 11.10.Gh

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