REVIEW 4 cited by
Interpreting Dark Energy Data Away from $\Lambda$
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
abstract
Dark energy away from a cosmological constant $\Lambda$ -- like early universe inflation that ends -- can be understood in terms of well defined physical behaviors. These guide dark energy into thawing or freezing classes, with $w_0$--$w_a$ arising as a physical calibration of the phase space. Other regions of phase space -- zones of avoidance -- require violation of some basic principle. We explore these cases, drawing a direct analogy with how nonGaussianity in inflation can add physics beyond standard dynamics. We examine the physics implications if the best fit of current data is taken to be truth, outlining four properties, and investigate the reality of phantom crossing $w=-1$, finding it significantly favored.
Forward citations
Cited by 4 Pith papers
-
BAO miscalibration cannot rescue late-time solutions to the Hubble tension
Even after rescaling BAO data to prefer H0≈73 km/s/Mpc, none of six tested late-time dark-energy models can resolve the Hubble tension once unanchored SNeIa and CMB geometry are included.
-
Uplifting, Depressing, and Tilting Dark Energy
Interactions cannot generically explain the dark energy equation of state crossing w=-1 required by DESI-era distance data; the dark energy itself must cross the phantom divide.
-
Robustness of dark energy phenomenology across different parameterizations
The viability of minimally and non-minimally coupled quintessence models is robust across CPL, JBP, BA, and EXP parameterizations, with all four reproducing the models' predicted observables accurately.
-
Looking beyond lambda
A perspective piece argues that LambdaCDM is showing cracks and that cosmologists should prepare for a beyond-LambdaCDM era with more complex dark energy models.
Discussion (0). Continue with ORCID to comment.