Normalizing Fock space states in static spacetimes
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866910822825984000 |
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| author | Huhtala, Jesse Vilja, Iiro |
| author_facet | Huhtala, Jesse Vilja, Iiro |
| contents | In quantum field theory, sharp momentum states have to be normalized to be in Fock space. We investigate different normalization schemes, both box normalization and wave packets. These methods are equivalent in flat spacetimes, but turn out to produce different results in curved spacetimes, specifically in those that break translation invariance. This means that scattering processes have to be defined in relation to the normalization scheme used, rather than being independent of it as is the case in flat spacetime. We provide an illustrative example of this phenomenon. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_08325 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Normalizing Fock space states in static spacetimes Huhtala, Jesse Vilja, Iiro General Relativity and Quantum Cosmology High Energy Physics - Theory In quantum field theory, sharp momentum states have to be normalized to be in Fock space. We investigate different normalization schemes, both box normalization and wave packets. These methods are equivalent in flat spacetimes, but turn out to produce different results in curved spacetimes, specifically in those that break translation invariance. This means that scattering processes have to be defined in relation to the normalization scheme used, rather than being independent of it as is the case in flat spacetime. We provide an illustrative example of this phenomenon. |
| title | Normalizing Fock space states in static spacetimes |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2502.08325 |