Saved in:
| Main Author: | |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.01271 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866911298858516480 |
|---|---|
| author | Chattopadhyay, Pratik |
| author_facet | Chattopadhyay, Pratik |
| contents | The perturbative corrections to soft photon theorems with massive scalars in de Sitter spacetime were computed in [JHEP10(2023)055]. However, the massless limit of the scalar modes is ill-defined in their work. It therefore is ambiguous to take the massless limit of the soft factors. In this paper, we derive the massless scalar modes in $d$-dimensional de Sitter spacetime and use it to compute the perturbative corrections to the leading and sub-leading soft photon theorems. Our framework corresponds to tree level scattering of massless scalars followed by an emission of a soft photon in a compact region of the static patch of de Sitter. We show that our results are consistent with [JHEP10(2023)055] in the massless limit and we comment on the universality of our results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_01271 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Perturbative corrections to soft photon theorems for massless scalar QED in de Sitter spacetime Chattopadhyay, Pratik High Energy Physics - Theory The perturbative corrections to soft photon theorems with massive scalars in de Sitter spacetime were computed in [JHEP10(2023)055]. However, the massless limit of the scalar modes is ill-defined in their work. It therefore is ambiguous to take the massless limit of the soft factors. In this paper, we derive the massless scalar modes in $d$-dimensional de Sitter spacetime and use it to compute the perturbative corrections to the leading and sub-leading soft photon theorems. Our framework corresponds to tree level scattering of massless scalars followed by an emission of a soft photon in a compact region of the static patch of de Sitter. We show that our results are consistent with [JHEP10(2023)055] in the massless limit and we comment on the universality of our results. |
| title | Perturbative corrections to soft photon theorems for massless scalar QED in de Sitter spacetime |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2512.01271 |