Zobrazeno 1 - 10
of 709
pro vyhledávání: '"Gonzalo, F."'
Autor:
Casas, Gonzalo F., Ruiz, Ignacio
We study the dynamical evolution of FLRW cosmologies in the presence of a tower of scalar light states and a runaway exponential potential. Some of the attractor solutions have problematic behaviours from the EFT point of view, which we use to argue
Externí odkaz:
http://arxiv.org/abs/2409.08317
Autor:
Casas, Gonzalo F., Ibáñez, Luis E.
Potentials in cosmological inflation often involve scalars with trans-Planckian ranges. As a result, towers of states become massless and their presence pushes the fundamental scale not to coincide with $M_{\rm P}$ but rather with the $species\, scal
Externí odkaz:
http://arxiv.org/abs/2407.12081
We study how tiny Dirac neutrino masses consistent with experimental constraints can arise in string theory SM-like vacua. We use as a laboratory 4d ${\cal N}=1$ type IIA Calabi--Yau orientifold compactifications, and in particular recent results on
Externí odkaz:
http://arxiv.org/abs/2406.14609
We study a scenario with a transient phase of cosmological acceleration that could potentially be realized in asymptotic corners of String Theory moduli space. A very steep scalar potential is temporarily stabilized by the effect of a nonzero density
Externí odkaz:
http://arxiv.org/abs/2406.07614
We study limits of vanishing Yukawa couplings of 4d chiral matter fields in Quantum Gravity, using as a laboratory type IIA orientifolds with D6-branes. In these theories chiral fermions arise at brane intersections, where an infinite tower of charge
Externí odkaz:
http://arxiv.org/abs/2403.09775
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 11, Pp 1-33 (2024)
Abstract We study a scenario with a transient phase of cosmological acceleration that could potentially be realized in asymptotic corners of String Theory moduli space. A very steep scalar potential is temporarily stabilized by the effect of a nonzer
Externí odkaz:
https://doaj.org/article/973708997128484a8b58913660a42cc4
Conventional wisdom dictates that $\mathbb{Z}_N$ factors in the integral cohomology group $H^p(X_n, \mathbb{Z})$ of a compact manifold $X_n$ cannot be computed via smooth $p$-forms. We revisit this lore in light of the dimensional reduction of string
Externí odkaz:
http://arxiv.org/abs/2306.14959
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 9, Pp 1-58 (2024)
Abstract We study limits of vanishing Yukawa couplings of 4d chiral matter fields in Quantum Gravity, using as a laboratory type IIA orientifolds with D6-branes. In these theories chiral fermions arise at brane intersections, where an infinite tower
Externí odkaz:
https://doaj.org/article/f05ab1e7ec7441cfb0841208f5821aef
Autor:
Gonzalo F. Iglesias Rossini
Publikováno v:
Revista de Derecho, Vol 23, Iss 46 (2024)
Actualmente el Código Penal uruguayo no prevé un título específico sobre los delitos ambientales, donde se tipifiquen delitos cuyo bien jurídico protegido sea el ambiente. Sin embargo, esta realidad podría cambiar en unos meses de aprobarse el
Externí odkaz:
https://doaj.org/article/cddc72718e734f1cb4063e4731efd21f
We study type IIA orientifold compactifications with fluxes that give rise to perturbatively stable, non-supersymmetric AdS$_4$ vacua with D6-brane gauge sectors. Non-perturbative instabilities can be mediated by D8-branes wrapped on the six internal
Externí odkaz:
http://arxiv.org/abs/2204.11892