Constraints on 3- and 4-loop β-functions in a general four-dimensional Quantum Field Theory
Abstract The β-functions of marginal couplings are known to be closely related to the A-function through Osborn’s equation, derived using the local renormalization group. It is possible to derive strong constraints on the β-functions by parametrizing the terms in Osborn’s equation as polynomials in...
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| Principais autores: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
SpringerOpen
2019-09-01
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| coleção: | Journal of High Energy Physics |
| Assuntos: | |
| Acesso em linha: | http://link.springer.com/article/10.1007/JHEP09(2019)055 |
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