Reheating constraints to modulus mass for single field inflationary models
arXiv:1908.04203 · doi:10.1016/j.nuclphysb.2020.115211
Abstract
We consider string and supergravity motivated scenarios in which moduli fields dominate the energy density of the Universe in a post-inflationary epoch. For the case of a single light modulus it has been shown that considering the evolution of a specific scale from the time of its Hubble crossing during inflation to the present time, a relation can be obtained among the lightest modulus mass, the reheating parameters (, and ) and the inflationary observables. By paying closer attention to the role of the , we obtain more stringent constraints on the value of the modulus mass and the reheating parameters using the CMB data. Next, the analysis is extended to include features in the inflaton potential as a source of CMB low multipole anomalies, which further constrains the mass of the modulus to be substantially higher than without such a constraint. By both considerations and for several inflation models considered, we find a constraint on the mass of the lightest modulus particle, , generically GeV, with possible low values GeV. While a simplification of the reheating phase is assumed, the bounds are reliably suggestive, and the study may be taken as a demonstration that substantial knowledge about reheating phase buried deep in the early epochs of the Universe is accessible through the use of CMB observables today.
arXiv comment26 pages, 5 figures. Figures improved. Added comment on variation in mass limits from CMB data. Version finalised for Nuclear Physics B. arXiv admin note: text overlap with arXiv:1806.10340
References in corpus (52)
- Planck 2015 results. XIII. Cosmological parameters
- Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
- Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
- Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Parameter Results
- Towards the Theory of Reheating After Inflation
- Reheating after Inflation
- Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Likelihoods and Parameters from the WMAP data
- Three Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Polarization Analysis
- Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Power Spectra and WMAP-Derived Parameters
- First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Implications for Inflation
- Planck 2013 results. XXII. Constraints on inflation
- Encyclopaedia Inflationaris
- Inflation Dynamics and Reheating
- Baryogenesis from Flat Directions of the Supersymmetric Standard Model
- The Cold Dark Matter Density Perturbation
- Primordial Nucleosynthesis in the Precision Cosmology Era
- Reheating in Inflationary Cosmology: Theory and Applications
- Model Independent Properties and Cosmological Implications of the Dilaton and Moduli Sectors of 4-d Strings
- Cosmological Implications of Dynamical Supersymmetry Breaking
- Supersymmetry Breaking in the Early Universe
- Inflationary Cosmology
- Instant Preheating
- Inflationary perturbations from a potential with a step
- High resolution CMB power spectrum from the complete ACBAR data set
- Reheating constraints to inflationary models
- Improved measurements of the temperature and polarization of the CMB from QUaD
- Reconstructing the primordial power spectrum
- Comments on the Starobinsky Model of Inflation and its Descendants
- Observing the Inflationary Reheating
- Cosmological Moduli and the Post-Inflationary Universe: A Critical Review
- Inflation and WMAP three year data: Features have a Future!
- Primordial power spectrum from WMAP
- CMB polarization features from inflation versus reionization
- New Universal Local Feature in the Inflationary Perturbation Spectrum
- New Constraints on Oscillations in the Primordial Spectrum of Inflationary Perturbations
- Inflation and String Theory
- Model-Independent Reconstruction of the Primordial Power Spectrum from WMAP Data
- Generalized Slow Roll for Large Power Spectrum Features
- Reconstructing the primordial power spectrum - a new algorithm
- The tensor-to-scalar ratio in punctuated inflation
- Estimation of Primordial Spectrum with post-WMAP 3 year data
- Features in the Primordial Spectrum from WMAP: A Wavelet Analysis
- Reconstructing the inflationary power spectrum from CMBR data
- Preheating in New Inflation
- Band-power reconstruction of the primordial fluctuation spectrum by the maximum likelihood reconstruction method
- Inflationary Constraints on Late Time Modulus Dominated Cosmology
- Constraints on Kähler moduli inflation from reheating
- Inflationary Predictions and Moduli Masses
- Inflation From Symmetry Breaking Below the Planck Scale
- Confronting Kähler moduli inflation with CMB data
- Post-inflationary Scalar Tensor Cosmology and Inflationary Parameters
- Topological pseudodefects of a supersymmetric model and cosmology