On the violent preheating in the mixed Higgs-$R^2$ inflationary model

Abstract

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 the Planck scale. In this letter, we study the inflaton oscillation stage after inflation, focusing on the effective mass of the phase direction of the Higgs field, which can cause a violent preheating process. We find that the "spikes" in the effective mass of the phase direction observed in the Higgs inflation still appear in the mixed Higgs-$R^2$ model. While the spikes appear above the cut-off scale in the Higgs-only case, they appear below the cut-off scale when the model is extended with $R^2$ term though reheating cannot be completed in the violent particle production regime since the spikes get milder.

16 pages, 14 figures, typo of a parameter corrected, conclusion remains unchanged

References in corpus (15)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• The Standard Model Higgs boson as the inflaton
• Higgs inflation: consistency and generalisations
• Inflation scenario via the Standard Model Higgs boson and LHC
• Power-counting and the Validity of the Classical Approximation During Inflation
• Constraining f(R) Gravity as a Scalar Tensor Theory
• On Inflation with Non-minimal Coupling
• Higgs inflation at the critical point
• Higgs inflation still alive
• Unitarizing Higgs Inflation
• Higgs G-inflation
• Higgs inflation from Standard Model criticality
• Violent Preheating in Inflation with Nonminimal Coupling
• On the strong coupling scale in Higgs G-inflation

Cited by in corpus (54)

• Preheating in Palatini Higgs inflation
• Reheating in $R^2$ Palatini inflationary models
• Primordial Black Holes in Higgs-$R^2$ Inflation as a Whole Dark Matter
• Dynamically induced Planck scale and inflation in the Palatini formulation
• Beyond the Starobinsky model for inflation
• Curing inflationary degeneracies using reheating predictions and relic gravitational waves
• A simple $F(\mathcal{R},\varphi )$ deformation of Starobinsky inflationary model
• Some like it hot: $R^2$ heals Higgs inflation, but does not cool it
• Higgs inflation in metric and Palatini formalisms: Required suppression of higher dimensional operators
• Dynamical Emergence of Scalaron in Higgs Inflation
• Occurrence of Tachyonic Preheating in the Mixed Higgs-$R^2$ Model
• Higgs Inflation as Nonlinear Sigma Model and Scalaron as its $\sigma$-meson
• Affleck-Dine Leptogenesis from Higgs Inflation
• To Positivity and Beyond, where Higgs-Dilaton Inflation has never gone before
• Hillclimbing inflation in metric and Palatini formulations
• Critical point Higgs inflation in the Palatini formulation
• Unitary inflaton as decaying dark matter
• Scalaron-Higgs inflation reloaded: Higgs-dependent scalaron mass and primordial black hole dark matter
• On UV-completion of Palatini-Higgs inflation
• Reheating and Dark Matter Freeze-in in the Higgs-$R^2$ Inflation Model
• Type II Seesaw Leptogenesis
• Higgs-$R^2$ inflation -- full slow-roll study at tree-level
• The Inflaton that Could : Primordial Black Holes and Second Order Gravitational Waves from Tachyonic Instability induced in Higgs-$R^2$ Inflation
• Progress in Higgs inflation
• Preheating in Palatini Higgs inflation on the lattice
• Renormalization Group Equations of Higgs-$R^2$ Inflation
• A heatwave affair: mixed Higgs-$R^2$ preheating on the lattice
• Nonlinear preheating with nonminimally coupled scalar fields in the Starobinsky model
• Gravitational reheating and superheavy Dark Matter creation after inflation with non-minimal coupling
• Perturbative Reheating in the Mixed Higgs-$R^2$ Model
• The Higgs field and early universe cosmology: a (brief) review
• Non-local self-healing of Higgs inflation
• Preheating from target space curvature and unitarity violation: Analysis in field space
• Leptogenesis from spontaneous symmetry breaking during inflation
• Higgs field in cosmology
• Observable Primordial Gravitational Waves from Non-minimally Coupled $R^2$ Palatini Modified Gravity
• The $R^2$-Higgs inflation: $R^3$ contribution and preheating after ACT and SPT data
• Issues in Palatini ${\mathcal{R}}^2$ inflation: Bounds on the Reheating Temperature
• Variable Inflaton Equation of State and Reheating
• Ultraviolet Sensitivity in Higgs-Starobinsky Inflation
• Non-minimally assisted chaotic inflation
• Non-perturbative production of fermionic dark matter from fast preheating
• Hybrid metric-Palatini Higgs inflation
• Baryogenesis in $R^2$-Higgs Inflation: the Gravitational Connection
• Higgs Inflation: constraining the top quark mass and breaking the $H_0$-${\sigma }_8$ correlation
• No-scale Brans-Dicke Gravity -- ultralight scalar boson & heavy inflaton
• Gauss-Bonnet-induced symmetry breaking/restoration during inflation
• The Second-Level Preheating
• Inflation and Supersymmetry Breaking in Higgs-$R^2$ Supergravity
• Non-minimally coupled quintessential inflation
• Non-perturbative approach for scalar particle production in Higgs-$R^2$ inflation
• On Inflation and Reheating Features in the Higgs-$R^2$ Model
• More on scattering processes of dressed particles with a time-dependent mass
• The $R^2$-Higgs inflation with two Higgs doublets