Brick wall diagrams as a completely integrable system
| Autor: | Kade, Moritz, Staudacher, Matthias |
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| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | JHEP 01 (2024) 050 |
| Druh dokumentu: | Working Paper |
| Popis: | We study the free energy of an integrable, planar, chiral and non-unitary four-dimensional Yukawa theory, the bi-fermion fishnet theory discovered by Pittelli and Preti. The typical Feynman-diagrams of this model are of regular "brick-wall"-type, replacing the regular square lattices of standard fishnet theory. We adapt A. B. Zamolodchikov's powerful classic computation of the thermodynamic free energy of fishnet graphs to the brick-wall case in a transparent fashion, and find the result in closed form. Finally, we briefly discuss two further candidate integrable models in three and six dimensions related to the brick wall model. Comment: v3: published in JHEP, 22 pages, fixed typo in subscript of eq. (3.8a) and (3.9a), improved labels of sub-equations in eq. (5.1) and (A.1), added further acknowledgements |
| Databáze: | arXiv |
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