Finite parts of inflationary loops
Abstract 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.
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-06-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | https://doi.org/10.1007/JHEP06(2025)098 |
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| _version_ | 1849238122213146624 |
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| author | Guillermo Ballesteros Jesús Gambín Egea Flavio Riccardi |
| author_facet | Guillermo Ballesteros Jesús Gambín Egea Flavio Riccardi |
| author_sort | Guillermo Ballesteros |
| collection | DOAJ |
| description | Abstract 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. |
| format | Article |
| id | doaj-art-12f89df42d4d4fe58e53a348e91f186d |
| institution | Kabale University |
| issn | 1029-8479 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj-art-12f89df42d4d4fe58e53a348e91f186d2025-08-20T04:01:43ZengSpringerOpenJournal of High Energy Physics1029-84792025-06-012025613910.1007/JHEP06(2025)098Finite parts of inflationary loopsGuillermo Ballesteros0Jesús Gambín Egea1Flavio Riccardi2Departamento de Física Teórica, Universidad Autónoma de Madrid (UAM)Instituto de Física Teórica UAM-CSICDepartamento de Física Teórica, Universidad Autónoma de Madrid (UAM)Abstract 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.https://doi.org/10.1007/JHEP06(2025)098de Sitter spaceEarly Universe Particle PhysicsRenormalization and Regularization |
| spellingShingle | Guillermo Ballesteros Jesús Gambín Egea Flavio Riccardi Finite parts of inflationary loops Journal of High Energy Physics de Sitter space Early Universe Particle Physics Renormalization and Regularization |
| title | Finite parts of inflationary loops |
| title_full | Finite parts of inflationary loops |
| title_fullStr | Finite parts of inflationary loops |
| title_full_unstemmed | Finite parts of inflationary loops |
| title_short | Finite parts of inflationary loops |
| title_sort | finite parts of inflationary loops |
| topic | de Sitter space Early Universe Particle Physics Renormalization and Regularization |
| url | https://doi.org/10.1007/JHEP06(2025)098 |
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