Quintessential interpretation of the evolving dark energy in light of DESI observations
Y Tada, T Terada - Physical Review D, 2024 - APS
The recent result of the Dark Energy Spectroscopic Instrument (DESI) in combination with
other cosmological data shows evidence of the evolving dark energy parametrized by the w …
other cosmological data shows evidence of the evolving dark energy parametrized by the w …
[HTML][HTML] Assessing observational constraints on dark energy
D Shlivko, PJ Steinhardt - Physics Letters B, 2024 - Elsevier
Observational constraints on time-varying dark energy (eg, quintessence) are commonly
presented on aw 0-wa plot that assumes the equation of state of dark energy strictly satisfies …
presented on aw 0-wa plot that assumes the equation of state of dark energy strictly satisfies …
DESI 2024: reconstructing dark energy using crossing statistics with DESI DR1 BAO data
Abstract We implement Crossing Statistics to reconstruct in a model-agnostic manner the
expansion history of the universe and properties of dark energy, using DESI Data Release 1 …
expansion history of the universe and properties of dark energy, using DESI Data Release 1 …
Robust preference for Dynamical Dark Energy in DESI BAO and SN measurements
Abstract Recent Baryon Acoustic Oscillation (BAO) measurements released by DESI, when
combined with Cosmic Microwave Background (CMB) data from Planck and two different …
combined with Cosmic Microwave Background (CMB) data from Planck and two different …
Using non-DESI data to confirm and strengthen the DESI 2024 spatially flat cosmological parametrization result
We use a combination of Planck cosmic microwave background (CMB) anisotropy data and
non-CMB data that include Pantheon+ type Ia supernovae (SNIa), Hubble parameter [H (z)] …
non-CMB data that include Pantheon+ type Ia supernovae (SNIa), Hubble parameter [H (z)] …
DESI 2024: Constraints on physics-focused aspects of dark energy using DESI DR1 BAO data
Baryon acoustic oscillation data from the first year of the Dark Energy Spectroscopic
Instrument (DESI) provide near percent-level precision of cosmic distances in seven bins …
Instrument (DESI) provide near percent-level precision of cosmic distances in seven bins …
Does dark energy really revive using DESI 2024 data?
We investigate the impact of the Dark Energy Spectroscopic Instrument (DESI) 2024 data on
dark energy scenarios. We thus analyze three typologies of models, the first in which the …
dark energy scenarios. We thus analyze three typologies of models, the first in which the …
Scant evidence for thawing quintessence
New constraints on the expansion rate of the Universe seem to favor evolving dark energy in
the form of thawing quintessence models, ie, models for which a canonical, minimally …
the form of thawing quintessence models, ie, models for which a canonical, minimally …
Model-independent cosmological inference post DESI DR1 BAO measurements
In this work, we implement Gaussian process regression to reconstruct the expansion history
of the Universe in a model-agnostic manner, using the Pantheon-Plus SN-Ia compilation in …
of the Universe in a model-agnostic manner, using the Pantheon-Plus SN-Ia compilation in …
Hubble tension tomography: BAO vs SN Ia distance tension
D Bousis, L Perivolaropoulos - Physical Review D, 2024 - APS
We investigate the redshift dependence of the Hubble tension by comparing the luminosity
distances obtained using an up-to-date BAO dataset (including the latest DESI data) …
distances obtained using an up-to-date BAO dataset (including the latest DESI data) …