On preheating in higgs inflation

Author: fskc

August undefined, 2024

WebSpacetime torsion is known to be highly suppressed at the end of inflation, which is called preheating. This result was recently shown in (EPJ C (2024)) in the frame of Einstein–Cartan–Brans–Dicke inflation. In this paper, it is shown that a torsionful magnetogenesis in QED effective Lagrangean drives a torsion damping in order to be … Web11 de jul. de 2024 · During inflation, we investigated the effect of the large/small on the non-gaussianity. We found that large/small could not provide the large non-gaussianity. …

[2103.00177] Progress in Higgs inflation - arXiv.org

Web17 de abr. de 2015 · In the Palatini formulation, the field re-enters the very flat inflationary plateau during preheating, leading to new periods of inflation, and preheating takes less than one e-fold [194,195]. ... Web1 de out. de 2024 · Download PDF Abstract: We perform an extensive analysis of linear fluctuations during preheating in Higgs inflation in the Einstein frame, where the fields … design your own scarf silk

Gravitational dynamics in Higgs inflation: Preinflation and …

WebModified hybrid inflation, reheating, and stabilization of the electroweak vacuum . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you … WebSoon after the end of inflation, the field oscillates, leading to the creation of particles in a process called reheating. If reheating begins with parametric resonance, the process is called preheating. New Higgs Inflation presumes that the Higgs field is the scalar field in question, involving a characteristic non-minimal "derivative" coupling. Web12 de abr. de 2024 · We study the details of preheating in Palatini Higgs inflation. We show, that contrary to what happens in the metric formulation of the model, the Universe … chuck ibara superb investments

Higgs-Dilaton cosmology: Are there extra relativistic species?

On the violent preheating in the mixed Higgs-R

Web30 de mar. de 2024 · Higgs inflation in metric and Palatini formalisms: required suppression of higher dimensional operators. Ryusuke Jinno 1,2, ... [62] J. Rubio and E.S. Tomberg, 2024 Preheating in Palatini Higgs inflation J. Cosmol. Astropart. Phys. 2024 04 021 [1902.10148] Preprint; Google Scholar Web19 de mar. de 2024 · Dynamical emergence of scalaron in Higgs inflation; Towards distinguishing variants of non-minimal inflation; Planck scale black hole dark matter from … chuck hutton chevrolet memphis serviceWebRecent analyses of cosmological data suggest the presence of an extra relativistic component beyond the Standard Model content. The Higgs-Dilaton cosmological model predicts the existence of a massless particle - the d… chuck i am not crazy

"Web9 de jul. de 2024 · The initial PBH mass is then below 10 ⁶ g, and predictions for the CMB observables are the same as in tree-level Higgs inflation, n s =0.96 and r=5×10 ⁻³ … " - On preheating in higgs inflation

On preheating in higgs inflation

Web9 de jul. de 2024 · Correspondingly, the typical energy of particles produced during the first stage of preheating can remain comparable to or below the cutoff scale of the theory. As … Web6 de set. de 2024 · We study preheating following Higgs inflation in the Palatini formulation of gravity. We numerically evolve perturbations of the radial mode of the Higgs field …

Did you know?

Web24 de mar. de 2024 · Strong coupling in Higgs inflation at high energies hinders a joint description of inflation, reheating and low-energy dynamics. The situation may be … WebFurthermore, thermal fluctuations of the Higgs field cannot be neglected in the proceeding reheating epoch. We discuss the Higgs vacuum fluctuations during inflation, preheating, and reheating, and show that the Higgs metastability problem is severe unless the energy scale of the inflaton potential is much lower than the GUT scale.

WebMotivated by a recent discussion about the role of flat directions, a typical feature of supersymmetric models, in the process of particle production in the early universe a consistent model of inflation and preheating in supergravity with MSSM fields has been built. It is based on a model proposed by M. Kawasaki, M. Yamaguchi and T. Yanagida. … Web27 de fev. de 2024 · Progress in Higgs inflation. Dhong Yeon Cheong, Sung Mook Lee, Seong Chan Park. We review the recent progress in Higgs inflation focusing on Higgs- …

Web4 de out. de 2013 · The preheating in the model was analysed in [37, 38]. After the end of inflation, χ < M P (), the potential can be approximated by a quadratic function (with just a small quartic part around the origin corresponding to the SM potential for χ < M P /ξ). Web8 de jul. de 2024 · This simulations corresponds to scenarios of preheating with g ≤ 10 − 3 from Fig. 3, but including perturbations in the initial state of the Higgs field. The bottom …

Web2.2. Higgs Inflation From Approximate Scale Invariance. Although the toy model presented above contains many of the key ingredients of Higgs inflation, it is not phenomenologically viable. In particular, the Einstein-frame potential is completely shift-symmetric and does not allow for inflation to end.

Web26 de fev. de 2024 · Abstract: We study the details of preheating in Palatini Higgs inflation. We show, that contrary to what happens in the metric formulation of the model, the … chuck iddingsWeb6 de set. de 2024 · Preheating in Palatini Higgs inflation on the lattice To cite this article: F. Dux et al JCAP09(2024)015 View the article online for updates and enhancements. design your own scrapbookWeb6 de out. de 2024 · [109] Hamada Yuta, Kawana Kiyoharu and Scherlis Adam 2024 On Preheating in Higgs Inflation JCAP 03 062 (arXiv:2007.04701) Crossref; Preprint; Google Scholar [110] Ema Yohei, Mukaida Kyohei and van de Vis Jorinde 2024 Renormalization group equations of Higgs-R^2 inflation JHEP 02 109 (arXiv:2008.01096) design your own scrapbook pagesWebWe consider the preheating in the Higgs inflation. We argue that the choice of the higher dimensional operator affects the dynamics of the preheating. 2. Talk Plan 1. Higgs … chuck iansonWeb15 de mar. de 2009 · The U.S. Department of Energy's Office of Scientific and Technical Information chucki creditWeb24 de mar. de 2024 · We study preheating following Higgs inflation in the Palatini formulation of gravity. We numerically evolve perturbations of the radial mode of the … design your own scratch cardWeb1 de out. de 2024 · Download PDF Abstract: We perform an extensive analysis of linear fluctuations during preheating in Higgs inflation in the Einstein frame, where the fields are minimally coupled to gravity, but the field-space metric is nontrivial. The self-resonance of the Higgs and the Higgsed gauge bosons are governed by effective masses that scale … chuck ice pilots