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Ido Ben-Dayan

Researcher at Ariel University

Publications -  67
Citations -  2581

Ido Ben-Dayan is an academic researcher from Ariel University. The author has contributed to research in topics: Inflation (cosmology) & Cosmic microwave background. The author has an hindex of 26, co-authored 60 publications receiving 2067 citations. Previous affiliations of Ido Ben-Dayan include Ben-Gurion University of the Negev & Perimeter Institute for Theoretical Physics.

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Prospects for Fundamental Physics with LISA

Enrico Barausse, +320 more
TL;DR: In this paper, the future potential of the LISA mission in the area of fundamental physics is further delineated and sharpen by identifying the sources that are currently expected to provide the principal contribution to our knowledge, and the areas that need further development.
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Probing the inflaton: small-scale power spectrum constraints from measurements of the cosmic microwave background energy spectrum

TL;DR: In this paper, the shape and amplitude of the primordial power spectrum were derived from COBE/FIRAS and forecasted for PIXIE, and it was shown that these constraints can be computed using k-space window functions that account for thermalization and dissipation physics.
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Probing the inflaton: Small-scale power spectrum constraints from measurements of the CMB energy spectrum

TL;DR: In this article, the authors derived a robust upper bound on the amplitude of the primordial power spectrum from COBE/FIRAS and forecasted for PIXIE, which is about three orders of magnitude stronger than the one derived from primordial black holes in the same scale range.
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Average and dispersion of the luminosity-redshift relation in the concordance model

TL;DR: In this paper, the effects of the realistic stochastic background of perturbations of the so-called concordance model on the combined light-cone and ensemble average of various functions of the luminosity distance, and on their variance, as functions of redshift.
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Do stochastic inhomogeneities affect dark-energy precision measurements?

TL;DR: The effect of a stochastic background of cosmological perturbation on the luminosity-redshift relation is computed to second order through a recently proposed covariant and gauge-invariant light-cone averaging procedure, implying that such perturbations cannot mimic a sizable fraction of dark energy.