Finite-volume effects in the $δ$-regime
Fuente:
arXiv
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866910663361691648 |
|---|---|
| author | Meißner, Ulf-G. Müller, Fabian Rusetsky, Akaki |
| author_facet | Meißner, Ulf-G. Müller, Fabian Rusetsky, Akaki |
| contents | We derive a systematic perturbative expansion for the finite-volume energy spectrum of the non-linear $O(N)$ $σ$-model in the $δ$-regime. The violation of the power-counting rules that emerges after the separation of the fast and slow modes is dealt with to all orders by use of the threshold expansion. The known result for the rest-frame energy spectrum up-to-and-including next-to-next-to-leading order is reproduced. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_17825 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Finite-volume effects in the $δ$-regime Meißner, Ulf-G. Müller, Fabian Rusetsky, Akaki High Energy Physics - Lattice Statistical Mechanics High Energy Physics - Phenomenology High Energy Physics - Theory We derive a systematic perturbative expansion for the finite-volume energy spectrum of the non-linear $O(N)$ $σ$-model in the $δ$-regime. The violation of the power-counting rules that emerges after the separation of the fast and slow modes is dealt with to all orders by use of the threshold expansion. The known result for the rest-frame energy spectrum up-to-and-including next-to-next-to-leading order is reproduced. |
| title | Finite-volume effects in the $δ$-regime |
| topic | High Energy Physics - Lattice Statistical Mechanics High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2410.17825 |