The pre-big bang scenario in string cosmology
M Gasperini, G Veneziano - Physics Reports, 2003 - Elsevier
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Cosmological consequences of MSSM flat directions
K Enqvist, A Mazumdar - Physics Reports, 2003 - Elsevier
We review the cosmological implications of the flat directions of the minimally
supersymmetric standard model (MSSM). We describe how field condensates are created …
supersymmetric standard model (MSSM). We describe how field condensates are created …
Non-Gaussian isocurvature perturbations from inflation
We present a class of very simple inflationary models of two scalar fields which leads to non-
Gaussian isothermal perturbations with a “blue” spectrum, n> 1. One of the models is …
Gaussian isothermal perturbations with a “blue” spectrum, n> 1. One of the models is …
Tensor-scalar gravity and binary-pulsar experiments
T Damour, G Esposito-Farese - Physical Review D, 1996 - APS
Some recently discovered nonperturbative strong-field effects in tensor-scalar theories of
gravitation are interpreted as a scalar analogue of ferromagnetism:" spontaneous …
gravitation are interpreted as a scalar analogue of ferromagnetism:" spontaneous …
Cosmological implications of dynamical supersymmetry breaking
We provide a taxonomy of dynamical supersymmetry-breaking theories, and discuss the
cosmological implications of the various types of models. Models in which supersymmetry …
cosmological implications of the various types of models. Models in which supersymmetry …
Model-independent properties and cosmological implications of the dilaton and moduli sectors of 4D strings
We show that if there is a realistic 4D string, the dilaton and moduli supermultiplets will
generically acquire a small mass∼ O (m 3 2), providing the only vacuum-independent …
generically acquire a small mass∼ O (m 3 2), providing the only vacuum-independent …
Big bang nucleosynthesis and physics beyond the standard model
S Sarkar - Reports on Progress in Physics, 1996 - iopscience.iop.org
The Hubble expansion of galaxies, the 2.73 K black-body radiation background and the
cosmic abundances of the light elements argue for a hot, dense origin of the universe-the …
cosmic abundances of the light elements argue for a hot, dense origin of the universe-the …
Quantum gravity effects on dark matter and gravitational waves
We explore how quantum gravity effects, manifested through the breaking of discrete
symmetry responsible for both dark matter and domain walls, can have observational effects …
symmetry responsible for both dark matter and domain walls, can have observational effects …
How warm are non-thermal relics? Lyman-α bounds on out-of-equilibrium dark matter
G Ballesteros, MAG Garcia… - Journal of Cosmology and …, 2021 - iopscience.iop.org
We investigate the power spectrum of Non-Cold Dark Matter (NCDM) produced in a state out
of thermal equilibrium. We consider dark matter production from the decay of scalar …
of thermal equilibrium. We consider dark matter production from the decay of scalar …
Kination cosmology from scalar fields and gravitational-wave signatures
Y Gouttenoire, G Servant, P Simakachorn - arxiv preprint arxiv …, 2021 - arxiv.org
Kination denotes an era in the cosmological history corresponding to an equation of state
$\omega=+ 1$ such that the total energy density of the universe redshifts as the sixth inverse …
$\omega=+ 1$ such that the total energy density of the universe redshifts as the sixth inverse …