What question did this study set out to answer?

The research aims to explore the impact of the Unary Field Theory on CMB temperature power spectrum anomalies.

July 7, 2026Open Access

Unary Field Theory: Low-ℓCMB Anomalies from Cosmic κtShear

Key Points

The research aims to explore the impact of the Unary Field Theory on CMB temperature power spectrum anomalies.
Utilized integrated Sachs-Wolfe effect to analyze low multipole anomalies in the CMB power spectrum.
Predicted ~5% power deficit at low multipoles (ℓ∼2–5) and ~3% excess at intermediate multipoles (ℓ∼10–20).
Outlined detection strategies using LiteBIRD/CMB-S4 and ISW-large-scale structure cross-correlations.
Predictions align with Planck 2018 low-ℓ anomalies (∼2–3σ).
The κtshear mechanism successfully explains observed empty gravity wells and Hubble flow dipole.
Detection strategies outlined may enhance understanding of cosmological structures.

Abstract

The Unary Field Theory (UFT) predicts a distinctive pattern in the CMB temperature power spectrum: a ~5% power deficit at low multipoles (ℓ∼2–5) and a ~3% excess at intermediate multipoles (ℓ∼10–20), relative to ΛCDM expectations. These anomalies arise from the integrated Sachs-Wolfe (ISW) effect of large-scale κtflow shear—spatial gradients in the residual flow fraction sflow(x)on cosmological scales. The same κtshear mechanism also explains "empty gravity wells" (UFT Prediction Paper IV) and the Hubble flow dipole (UFT Prediction Paper IX), linking low-ℓCMB anomalies to the cosmic web’s large-scale structure. The prediction aligns with Planck 2018 low-ℓanomalies (∼2–3σ) and outlines detection strategies via LiteBIRD/CMB-S4 low-ℓpolarization measurements and ISW-large-scale structure cross-correlations. This work is part of the UFT series; for the foundational framework, see the main paper: https://doi.org/10.5281/zenodo.21186809

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