On preheating in higgs inflation

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August undefined, 2024

Web6 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. Web6 de set. de 2024 · Our results provide further evidence that preheating in Palatini Higgs inflation happens within a single oscillation of the Higgs field about the bottom of its potential, consistent with the approximation of an instantaneous preheating. Export citation and abstract BibTeX RIS.

Preheating Definition & Meaning - Merriam-Webster

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. … Web8 de mar. de 2024 · We propose a scenario of spontaneous leptogenesis in Higgs inflation with help from two additional operators: the Weinberg operator (Dim 5) and the derivative coupling of the Higgs field and the current of lepton number (Dim 6). The former is responsible for lepton number violation and the latter induces chemical potential for … binhi lyrics chords

High Energy Physics - Theory authors/titles Apr 2024 (200 skipped)

WebRecently, the problem of unitarity violation during the preheating stage of Higgs inflation with a large non-minimal coupling has been much discussed in the literature. We point … 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. 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 … dachshund carrying stick

Higgs inflation in metric and Palatini formalisms: required suppression ...

Progress in Higgs inflation SpringerLink

WebThe International Conference "Dark Matter and Stars: Multi-Messenger Probes of Dark Matter and Modified Gravity" aims to bring together scientists working across the different research fields of astrophysics, cosmology, and modified gravity. We want to look at the dark matter problem from different perspectives, considering it to be of particle nature, as well … WebRecent 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… dachshund carrying backpackWebIt has recently been suggested that at the post-inflationary stage of the mixed Higgs-R 2 model of inflation efficient particle production can arise from the tachyonic instability of the Higgs field. It might complete the preheating of the Universe if appropriate conditions are satisfied, especially in the Higgs-like regime. In this paper, we study this behavior in … bin hindi security

"Web26 de fev. de 2024 · This cutoff scale guarantees the perturbative analysis of this model throughout inflation and preheating, alleviating the unitarity problem of single-field Higgs inflation [19, 26,27,28] . This additional \(R^2\) term can also be induced through quantum loop corrections in the large- \(\xi \) limit. " - On preheating in higgs inflation

On preheating in higgs inflation

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]. ... 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- …

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WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. 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.

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 … 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-right panel corresponds to the single-field case. The box size of the simulations at the end of inflation correspond to L ≈ 5 H − 1. Reuse & Permissions

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 … WebWe use a semiclassical lattice approach to perform the first nonlinear study of preheating in R2-healed Higgs inflation, in the “R2-like” regime where the curvature-squared coupling β and nonminimal coupling ξ of the Higgs field contribute similarly to the CMB scalar perturbations. Preheating occurs first through tachyonic production of Higgs bosons, …

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 …

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 bin hindi electronicsWebThe meaning of PREHEAT is to heat (something) beforehand; especially : to heat (an oven) to a designated temperature before using for cooking. How to use preheat in a sentence. dachshund cartoon picsWeb12 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 does not reheat through the creation of gauge bosons only, but also through the tachyonic production of Higgs excitations. dachshund car seat covers amzonWeb18 de mai. de 2024 · We study the post-inflationary dynamics for reheating and freeze-in dark matter in the Higgs-R2 inflation model. Taking the perturbative approach for reheating, we determine the evolution of the temperature for radiation bath produced during reheating and determine the maximum and reheating temperatures of the Universe. … bin hindi towerWebRecent analyses of cosmological data suggest the presence of an extra relativistic component beyond the Standard Model content. The Higgs-Dilaton cosmological model … bin hindi service center bahrainWebModified 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 … binhi organizationWeb9 de jul. de 2024 · Recently, the problem of unitarity violation during the preheating stage of Higgs inflation with a large non-minimal coupling has been much discussed in the … dachshund car vent air freshener