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Quantum Stability of Generalized Proca Theories | | Lavinia Heisenberg
; Jann Zosso
; | | Date: |
4 May 2020 | | Abstract: | We establish radiative stability of all generalized Proca theories. While
standard powercounting arguments would conclude otherwise, we find non-trivial
cancellations of leading order corrections by explicit computation of divergent
one-loop diagrams up to four-point. These results are crosschecked against an
effective action based generalized Schwinger-DeWitt method. Further, these
cancellations are understood as coming from the specific structure of the
theory through a decoupling limit analysis which at the same time allows for an
extension of the results to all orders. | | Source: | arXiv, 2005.1639 | | Services: | Forum | Review | PDF | Favorites | |
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