Does inflation squeeze cosmological perturbations?

I Agullo, B Bonga, PR Metidieri - Journal of Cosmology and …, 2022 - iopscience.iop.org
There seems to exist agreement about the fact that inflation squeezes the quantum state of
cosmological perturbations and entangles modes with wavenumbers k⟶ and-k⟶ …

Revisiting cosmological diffusion models in Unimodular Gravity and the H0 tension

FXL Cedeno, U Nucamendi - Physics of the Dark Universe, 2021 - Elsevier
Within the framework of Unimodular Gravity, we consider non-gravitational interactions
between dark matter and dark energy. Particularly, we describe such interactions in the dark …

Eternal inflation and collapse theories

RL Lechuga, D Sudarsky - Journal of Cosmology and …, 2024 - iopscience.iop.org
The eternal inflation problem continues to be considered one of standard's cosmology most
serious shortcomings. This arises when one considers the effects of" quantum fluctuations" …

Discussions about the landscape of possibilities for treatments of cosmic inflation involving continuous spontaneous localization models

GR Bengochea, G León, P Pearle… - The European Physical …, 2020 - Springer
In this work we consider a wide variety of alternatives opened when applying the continuous
spontaneous localization (CSL) dynamical collapse theory to the inflationary era. The …

Cosmic microwave background constraints cast a shadow on continuous spontaneous localization models

J Martin, V Vennin - Physical Review Letters, 2020 - APS
The continuous spontaneous localization model solves the measurement problem of
standard quantum mechanics by coupling the mass density of a quantum system to a white …

Constraining quantum collapse inflationary models with current data: The semiclassical approach

MP Piccirilli, G León, SJ Landau, M Benetti… - … Journal of Modern …, 2019 - World Scientific
The hypothesis of the self-induced collapse of the inflaton wave function was introduced as
a candidate for the physical process responsible for the emergence of inhomogeneity and …

Generation of inflationary perturbations in the continuous spontaneous localization model: The second order power spectrum

G León, MP Piccirilli - Physical Review D, 2020 - APS
Cosmic inflation, which describes an accelerated expansion of the early Universe, yields the
most successful predictions regarding temperature anisotropies in the cosmic microwave …

[HTML][HTML] Emergent universe: tensor perturbations within the CSL framework

O Palermo, MM Ocampo, GR Bengochea… - The European Physical …, 2022 - Springer
We calculate the primordial power spectrum of tensor perturbations, within the emergent
universe scenario, incorporating a version of the Continuous Spontaneous Localization …

A dialog on the fate of information in black hole evaporation

A Perez, D Sudarsky - AVS Quantum Science, 2022 - pubs.aip.org
We present two alternative perspectives for the resolution of Hawking's information puzzle in
black hole evaporation. The two views are deeply contrasting, yet they share several …

Enlightening the CSL model landscape in inflation

G León, GR Bengochea - The European Physical Journal C, 2021 - Springer
We propose a novel realization for the natural extrapolation of the continuous spontaneous
localization (CSL) model, in order to account for the origin of primordial inhomogeneities …