Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Vazão, Francisco"'
Autor:
Benincasa, Paolo, Brunello, Giacomo, Mandal, Manoj K., Mastrolia, Pierpaolo, Vazão, Francisco
Understanding the loop corrections to cosmological observables is of paramount importance for having control on the quantum consistency of a theory in an expanding universe as well as for phenomenological reasons. In the present work, we begin with a
Externí odkaz:
http://arxiv.org/abs/2408.16386
Autor:
Benincasa, Paolo, Vazão, Francisco
Cosmological observables in perturbation theory turn out to be plagued with infrared divergences, which represents both a conceptual and computational challenge. In this paper we present a proof of concept for a systematic procedure to remove these d
Externí odkaz:
http://arxiv.org/abs/2405.19979
Autor:
Benincasa, Paolo, Vazão, Francisco
We provide a general analysis of the asymptotic behaviour of perturbative contributions to observables in arbitrary power-law FRW cosmologies, indistinctly the Bunch-Davies wavefunction and cosmological correlators. We consider a large class of scala
Externí odkaz:
http://arxiv.org/abs/2402.06558
Publikováno v:
Phys. Rev. D 103, 075026 (2021)
We study the scalar sector of the most general multi Higgs doublet model satisfying explicitly an exact symmetry. We prove that such a model will exhibit decoupling if and only if the vacuum also satisfies the same symmetry. This general property is
Externí odkaz:
http://arxiv.org/abs/2102.11303
Autor:
Ivanov, Igor P., Vazão, Francisco
We discuss a rather common but often unnoticed pitfall which arises when deriving the bounded-from-below (BFB) conditions in multi-Higgs models with softly broken global symmetries. Namely, necessary and sufficient BFB conditions derived for the case
Externí odkaz:
http://arxiv.org/abs/2006.00036