Coupled dark energy-dark matter models generate a coupling-neutrino-mass degeneracy (Σm_ν ∝ f_c^2 α^2) that is detectable in current data and distinguishes them from kinematic phantom crossing.
Cosmological perturbation theory in the synchronous and conformal Newtonian gauges
11 Pith papers cite this work, alongside 1,727 external citations. Polarity classification is still indexing.
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A logarithmically corrected black-hole entropy law, implemented through modified gravitational field equations, changes the inflationary scalar and tensor power spectra at next-to-next-to-next-to-leading order and modifies the single-field consistency relation.
Extended misalignment for axion-like particles with constant-ω_ϕ pre-oscillation and dark radiation coupling yields data-driven constraints favoring negative ω_ϕ and f_ϕ in [80, 1.5×10^10] TeV but does not ease cosmological tensions.
A single fitted cutoff k_min in the primordial power spectrum modestly improves the fit of Lambda-CDM to Planck low-multipole polarization data, but the statistical evidence is limited by a non-standard test and by analyses that are not fully independent.
Fitting the one-parameter Mukherjee dark-energy EoS to Planck, DESI DR1 BAO and PantheonPlus/SH0ES data gives a weak Bayesian preference (lnB=1.8) for phantom DE with n=3.30±0.11 and w0=-1.047±0.016.
The RGGR scale-dependent gravity parameter nu is constrained to |nu| of order 10^{-5}, consistent with LambdaCDM and unable to resolve the H0 or sigma8 tensions.
Dark matter that abruptly becomes massive and slow at a phase transition produces a smaller free-streaming cut-off than warm dark matter, and current cosmological data constrain only the transition time from above.
A γ=3/2 polytropic dark-matter fluid yields n=2 Lane–Emden cored halos with weak mass dependence while preserving ΛCDM large-scale cosmology and mildly suppressing central lensing.
The work claims to build generalized manifold-metric pairs, prove metrizability via the Urysohn theorem, introduce higher-rank tensor metrics and complex/quaternionic structures, and apply them to cosmological expanding spacetimes within a unified information-theoretic framework.
A comprehensive review of the physics, observational status, and future prospects of CMB secondary anisotropies, containing no new results.
citing papers explorer
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Distinguishing Coupled Dark Matter Dark Energy from Kinematic Phantom Crossing
Coupled dark energy-dark matter models generate a coupling-neutrino-mass degeneracy (Σm_ν ∝ f_c^2 α^2) that is detectable in current data and distinguishes them from kinematic phantom crossing.
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Primordial spectra from modified Bekenstein-Hawking entropy law
A logarithmically corrected black-hole entropy law, implemented through modified gravitational field equations, changes the inflationary scalar and tensor power spectra at next-to-next-to-next-to-leading order and modifies the single-field consistency relation.
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Axion dark matter from extended misalignment with a constant-$\omega_\phi$ pre-oscillatory phase and dark radiation
Extended misalignment for axion-like particles with constant-ω_ϕ pre-oscillation and dark radiation coupling yields data-driven constraints favoring negative ω_ϕ and f_ϕ in [80, 1.5×10^10] TeV but does not ease cosmological tensions.
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A Truncated Primordial Power Spectrum and its Impact on CMB Polarization
A single fitted cutoff k_min in the primordial power spectrum modestly improves the fit of Lambda-CDM to Planck low-multipole polarization data, but the statistical evidence is limited by a non-standard test and by analyses that are not fully independent.
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A preference for dynamical phantom dark energy using one-parameter model with Planck, DESI DR1 BAO and SN data
Fitting the one-parameter Mukherjee dark-energy EoS to Planck, DESI DR1 BAO and PantheonPlus/SH0ES data gives a weak Bayesian preference (lnB=1.8) for phantom DE with n=3.30±0.11 and w0=-1.047±0.016.
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Scale-dependent and background-preserving gravity from an action: cosmological tests
The RGGR scale-dependent gravity parameter nu is constrained to |nu| of order 10^{-5}, consistent with LambdaCDM and unable to resolve the H0 or sigma8 tensions.
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Bound Dark Matter (BDM) towards solving the Small Scale Structure Problem
Dark matter that abruptly becomes massive and slow at a phase transition produces a smaller free-streaming cut-off than warm dark matter, and current cosmological data constrain only the transition time from above.
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Halo structure and lensing signatures of a polytropic dark matter fluid
A γ=3/2 polytropic dark-matter fluid yields n=2 Lane–Emden cored halos with weak mass dependence while preserving ΛCDM large-scale cosmology and mildly suppressing central lensing.
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Advanced manifold-metric pairs
The work claims to build generalized manifold-metric pairs, prove metrizability via the Urysohn theorem, introduce higher-rank tensor metrics and complex/quaternionic structures, and apply them to cosmological expanding spacetimes within a unified information-theoretic framework.
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The Cosmic Microwave Background -- Secondary Anisotropies
A comprehensive review of the physics, observational status, and future prospects of CMB secondary anisotropies, containing no new results.
- From quantum fluctuations to galaxy power spectrum multipoles