Affiliation:
1. International School for Advanced Studies
2. INFN
3. University of Massachusetts
4. Universidade Estadual Paulista
Abstract
We argue that the well-known beta functions of quadratic gravity do not correspond to the physical dependence of scattering amplitudes on external momenta, and derive the correct physical beta functions. Asymptotic freedom turns out to be compatible with the absence of tachyons.
Published by the American Physical Society
2024
Funder
National Science Foundation
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Fundação de Amparo à Pesquisa do Estado de São Paulo
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Publisher
American Physical Society (APS)
Cited by
2 articles.
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