GUT Physics in the era of the LHC
Grand Unified Theories (GUTs) are one of the most interesting high-energy completions of
the Standard Model, because they provide a rich, powerful and elegant group-theoretical …
the Standard Model, because they provide a rich, powerful and elegant group-theoretical …
Building models of inflation in no-scale supergravity
After reviewing the motivations for cosmological inflation formulated in the formalism of
supersymmetry, we argue that the appropriate framework is that of no-scale supergravity …
supersymmetry, we argue that the appropriate framework is that of no-scale supergravity …
No-scale supergravity realization of the Starobinsky model of inflation
J Ellis, DV Nanopoulos, KA Olive - Physical review letters, 2013 - APS
We present a model for cosmological inflation based on a no-scale supergravity sector with
an SU (2, 1)/SU (2)× U (1) Kähler potential, a single modulus T, and an inflaton superfield Φ …
an SU (2, 1)/SU (2)× U (1) Kähler potential, a single modulus T, and an inflaton superfield Φ …
Starobinsky-like inflationary models as avatars of no-scale supergravity
J Ellis, DV Nanopoulos, KA Olive - Journal of Cosmology and …, 2013 - iopscience.iop.org
Abstract Models of cosmological inflation resembling the Starobinsky R+R 2 model emerge
naturally among the effective potentials derived from no-scale SU (N, 1)/SU (N)× U (1) …
naturally among the effective potentials derived from no-scale SU (N, 1)/SU (N)× U (1) …
Calculations of inflaton decays and reheating: with applications to no-scale inflation models
J Ellis, MAG Garcia, DV Nanopoulos… - Journal of Cosmology …, 2015 - iopscience.iop.org
We discuss inflaton decays and reheating in no-scale Starobinsky-like models of inflation,
calculating the effective equation-of-state parameter, w, during the epoch of inflaton decay …
calculating the effective equation-of-state parameter, w, during the epoch of inflaton decay …
[HTML][HTML] Multi-natural inflation in supergravity and BICEP2
M Czerny, T Higaki, F Takahashi - Physics Letters B, 2014 - Elsevier
We revisit the recently proposed multi-natural inflation and its realization in supergravity in
light of the BICEP2 results. Multi-natural inflation is a single-field inflation model where the …
light of the BICEP2 results. Multi-natural inflation is a single-field inflation model where the …
Primordial black holes and secondary gravitational waves from string inspired general no-scale supergravity
L Wu, Y Gong, T Li - Physical Review D, 2021 - APS
The formation of primordial black hole (PBH) dark matter and the generation of scalar
induced secondary gravitational waves (SIGWs) have been studied in the generic no-scale …
induced secondary gravitational waves (SIGWs) have been studied in the generic no-scale …
Multi-natural inflation in supergravity
M Czerny, T Higaki, F Takahashi - Journal of High Energy Physics, 2014 - Springer
A bstract We show that the recently proposed multi-natural inflation can be realized within
the framework of 4D\(\mathcal {N}\)= 1 supergravity. The inflaton potential mainly consists of …
the framework of 4D\(\mathcal {N}\)= 1 supergravity. The inflaton potential mainly consists of …
Stability, reheating, and leptogenesis
A bstract In a minimal model of leptogenesis, the observed baryon asymmetry is realized
after high-scale reheating into the lightest sterile neutrino. We consider constraints on this …
after high-scale reheating into the lightest sterile neutrino. We consider constraints on this …
A no-scale supergravity framework for sub-Planckian physics
J Ellis, DV Nanopoulos, KA Olive - Physical Review D, 2014 - APS
We propose a minimal model framework for physics below the Planck scale with the
following features:(i) it is based on no-scale supergravity, as favored in many string …
following features:(i) it is based on no-scale supergravity, as favored in many string …