On the Weyl anomaly for chiral fermions
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915819558010880 |
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| author | Alvarez, Enrique Alvarez-Gaume, Luis Anero, Jesus Martin, Carmelo P |
| author_facet | Alvarez, Enrique Alvarez-Gaume, Luis Anero, Jesus Martin, Carmelo P |
| contents | We compute the parity-odd part of the Weyl anomaly for chiral fermions in a background gravitational field. We start from a manifestly real form of the Lagrangian (that is, not only real up to a total derivative), and we regularize it by means of Pauli-Villars fermions. All parity-odd terms in the anomaly cancel in the integrand, so that the result of the anomaly is necessarily parity-even. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_05545 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the Weyl anomaly for chiral fermions Alvarez, Enrique Alvarez-Gaume, Luis Anero, Jesus Martin, Carmelo P High Energy Physics - Theory High Energy Physics - Phenomenology We compute the parity-odd part of the Weyl anomaly for chiral fermions in a background gravitational field. We start from a manifestly real form of the Lagrangian (that is, not only real up to a total derivative), and we regularize it by means of Pauli-Villars fermions. All parity-odd terms in the anomaly cancel in the integrand, so that the result of the anomaly is necessarily parity-even. |
| title | On the Weyl anomaly for chiral fermions |
| topic | High Energy Physics - Theory High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.05545 |