Saved in:
| Main Author: | |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.18960 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866914619928346624 |
|---|---|
| author | Huber, Markus Q. |
| author_facet | Huber, Markus Q. |
| contents | Functional methods like Dyson-Schwinger equations, the $n$PI effective action formalism, bound state equations and the functional renormalization group are versatile tools to study quantum field theories. They are exact, nonperturbative equations but have to be truncated for practical calculations. After a general introduction, I focus on their use in particle physics and discuss common truncations and solution techniques. The complete process from choosing a truncation to calculating observable quantities is exemplified by means of the glueball spectrum. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_18960 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A beginner's guide to functional methods in particle physics Huber, Markus Q. High Energy Physics - Phenomenology Functional methods like Dyson-Schwinger equations, the $n$PI effective action formalism, bound state equations and the functional renormalization group are versatile tools to study quantum field theories. They are exact, nonperturbative equations but have to be truncated for practical calculations. After a general introduction, I focus on their use in particle physics and discuss common truncations and solution techniques. The complete process from choosing a truncation to calculating observable quantities is exemplified by means of the glueball spectrum. |
| title | A beginner's guide to functional methods in particle physics |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2510.18960 |