On preheating in higgs inflation

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August undefined, 2024

Web15 de mar. de 2009 · The U.S. Department of Energy's Office of Scientific and Technical Information 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 …

[1810.01304] Preheating after Higgs Inflation: Self-Resonance and …

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 … Web1 de fev. de 2024 · We study particle production at the preheating era in inflation models with nonminimal coupling ξφ{sup 2} R and quartic potential λφ{sup 4}/4 for several cases: real scalar inflaton, complex scalar inflaton and Abelian Higgs inflaton. We point out that the preheating proceeds much more violently than previously thought. greeen stainless steal background

Modified hybrid inflation, reheating, and stabilization of the ...

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 … Web6 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) 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… flourish community solutions qld

On the violent preheating in the mixed Higgs-R

Preheating in Palatini Higgs inflation - IOPscience

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 out that this problem can be translated into a strong coupling problem for the dimensionless effective coupling, and that the existence of these problems is highly dependent on the … 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. In this paper, we divided the preheating stage to be quadratic regime and quartic regime. During the quadratic regime, the gauge bosons production is the most dominant. greee scrabbleWebModified 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 … greeen red blue 90s sweatshirt

"Web1 de mar. de 2024 · Request PDF On preheating in Higgs inflation Recently, the problem of unitarity violation during the preheating stage of Higgs inflation with a large non-minimal coupling has been much ... " - On preheating in higgs inflation

On preheating in higgs inflation

Inflation and Preheating in Supergravity with MSSM Flat Directions

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, … 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 …

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Web1 de mar. de 2024 · @article{osti_1851588, title = {On preheating in Higgs inflation}, author = {Hamada, Yuta and Kawana, Kiyoharu and Scherlis, Adam}, abstractNote = …

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 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.

WebWe 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 inﬂaiton 2. Preheating and higher dim. op. 3. Standard Model The Higgs boson is only elementary scalar in the Standard Model. Web17 de ago. de 2024 · The conditions are investigated under which this model can simultaneously ensure Higgs vacuum stability up to the Planck scale, successful inflation, non-thermal Leptogenesis via the pendulum mechanism, and light neutrino masses. These can be simultaneously achieved when the scalar lepton is minimally coupled to gravity, …

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. …

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]. ... gree eudemon config new gatewayWeb12 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. flourish connect and thriveWebMotivated 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. … flourish costumesWeb4 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). flourish conference 2021Web27 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- … greeenville nh marriage certificateWebWe 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 … flourish companyWeb10 de abr. de 2024 · It has been argued that the mixed Higgs-R 2 model acts as the UV extension of the Higgs inflation, pushing up its cut-off scale in the vacuum close up to … flourish consulting bethany