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<p>We present a method for solving loop integrals in dimensional regularization that is particularly useful in the context of inflation. We apply this method to the calculation of the tensor power spectrum induced by scalar fluctuations in slow-roll inflation.</p>

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Finite parts of inflationary loops

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月11日

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  • Guillermo Ballesteros,
  • Jesús Gambín Egea,
  • Flavio Riccardi

摘要

We present a method for solving loop integrals in dimensional regularization that is particularly useful in the context of inflation. We apply this method to the calculation of the tensor power spectrum induced by scalar fluctuations in slow-roll inflation.