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June 26, 2026Open Access

Motti Intermediate Physics — HAL: Dark Energy Equation of State w(z) — Prediction and Comparison with DESI 2024

Mordecai Gavila Alvarez

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Key Points

The aim is to predict the dark energy equation of state w(z) and compare it with DESI 2024 results.
Prediction of w(z) based on HAL model with parameters Omega_Lambda and Omega_m.
Analysis of current datasets including DESI Y1.
Comparison of future predictions with DESI and Euclid measurements.
HAL predicts w0 = -0.99666 and wa > 0, which suggests an increasing w with redshift.
DESI Y1 reports w0 = -0.827, showing a 2.7 sigma tension with HAL predictions.
Future tests by Euclid in 2028 may provide further insights into the behavior of w.

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Implication

HAL predicts dark energy dynamics in w(z), contrasting with DESI 2024 results, indicating tension.

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Cite This Study

Mordecai Gavila Alvarez (2026) studied this question.

synapsesocial.com/papers/6a40bae361bb0a67205c695e https://doi.org/10.5281/zenodo.20935929

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