scholarly journals Can inflationary models of cosmic perturbations evade the secondary oscillation test?

2001 ◽  
Vol 64 (2) ◽  
Author(s):  
Alex Lewin ◽  
Andreas Albrecht
Keyword(s):  
Oscillation Test ◽  
Inflationary Models ◽  
Secondary Oscillation

scholarly journals The best inflationary models after Planck

2014 ◽  
Vol 2014 (03) ◽  
pp. 039-039 ◽  
Author(s):  
Jérôme Martin ◽  
Christophe Ringeval ◽  
Roberto Trotta ◽  
Vincent Vennin
Keyword(s):  
Inflationary Models

scholarly journals Gauge inflation by kinetic coupled gravity

2014 ◽  
Vol 29 (30) ◽  
pp. 1450161 ◽  
Author(s):  
F. Darabi ◽  
A. Parsiya
Keyword(s):  
Field Theory ◽  
Gauge Field ◽  
Gauge Field Theory ◽  
Einstein Tensor ◽  
Abelian Gauge ◽  
Metric Tensor ◽  
New Class ◽  
Slow Roll ◽  
Set Up ◽  
Inflationary Models

Recently, a new class of inflationary models, so-called gauge-flation or non-Abelian gauge field inflation has been introduced where the slow-roll inflation is driven by a non-Abelian gauge field A with the field strength F. This class of models are based on a gauge field theory having F2 and F4 terms with a non-Abelian gauge group minimally coupled to gravity. Here, we present a new class of such inflationary models based on a gauge field theory having only F2 term with non-Abelian gauge fields non-minimally coupled to gravity. The non-minimal coupling is set up by introducing the Einstein tensor besides the metric tensor within the F2 term, which is called kinetic coupled gravity. A perturbation analysis is performed to confront the inflation under consideration with Planck and BICEP2 results

Construction of neutrino models with non-vanishing θ13 and leptogenesis

2015 ◽  
Vol 93 (12) ◽  
pp. 1561-1565
Author(s):  
Ng. K. Francis
Keyword(s):  
Neutrino Mass ◽  
Big Bang ◽  
Baryon Asymmetry ◽  
Daya Bay ◽  
Mass Model ◽  
Big Bang Nucleosynthesis ◽  
Great Discovery ◽  
Neutrino Mass Models ◽  
The Universe ◽  
Inflationary Models

We construct the neutrino mass models with non-vanishing θ13 and estimate the baryon asymmetry of the universe and subsequently derive the constraints on the inflaton mass and the reheating temperature after inflation. The great discovery of this decade, the detection of Higgs boson of mass 126 GeV and nonzero θ13, makes leptogenesis all the more exciting. Besides, the neutrino mass model is compatible with inflaton mass 1010–1013 GeV corresponding to reheating temperature TR ∼ 105–107 GeV to overcome the gravitino constraint in supersymmetry and big bang nucleosynthesis. When Daya Bay data θ13 ≈ 9° is included in the model, τ predominates over e and μ contributions, which are indeed a good sign. It is shown that neutrino mass models for a successful leptogenesis can be accommodated for a variety of inflationary models with a rather wide ranging inflationary scale.

Inflationary models in ECSK theory

1986 ◽  
Vol 116 (1) ◽  
pp. 13-16 ◽  
Author(s):  
M. Demianski ◽  
R. De Ritis ◽  
G. Platania ◽  
P. Scudellaro ◽  
C. Stornaiolo
Keyword(s):  
Inflationary Models

scholarly journals Testing Predictions of the Quantum Landscape Multiverse 3: The Hilltop Inflationary Potential

Symmetry ◽  
2019 ◽  
Vol 11 (4) ◽  
pp. 520
Author(s):  
Eleonora Di Valentino ◽  
Laura Mersini-Houghton
Keyword(s):  
Quantum Entanglement ◽  
Lower Limit ◽  
Hubble Parameter ◽  
Susy Breaking ◽  
Weak Lensing ◽  
Planck Data ◽  
The Universe ◽  
Breaking Scale ◽  
Inflationary Models ◽  
Origin Of The Universe

Here we test the predictions of the theory of the origin of the universe from the landscape multiverse, against the 2015 Planck data, for the case of the Hilltop class of inflationary models, for p = 4 and p = 6 . By considering the quantum entanglement correction of the multiverse, we can place just a lower limit on the local ’SUSY-breaking’ scale, respectively b > 8.7 × 10 6 G e V at 95 % c.l. and b > 1.3 × 10 8 G e V at 95 % c.l. from Planck TT+lowP, so the case with multiverse correction is statistically indistinguishable from the case with an unmodified inflation. We find that the series of anomalies predicted by the quantum landscape multiverse for the allowed range of b, is consistent with Planck’s tests of the anomalies. In addition, the friction between the two cosmological probes of the Hubble parameter and with the weak lensing experiments goes away for a particular subset, the p = 6 case of Hilltop models.

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