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Information Dark Energy Matches DESI and DES Measured Parameters But Has Not Reached a Maximum Yet

Submitted:

23 December 2025

Posted:

23 December 2025

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Abstract
The Landauer energy of information/entropy associated with stars, galaxies, and galaxy clusters provides a dark energy dependent on source temperature, in turn, related to source mass. Combining a general source mass-temperature relation with a survey of stellar mass density measurements yields a dynamic Information Dark Energy with predicted dark energy equation of state, ω, CPL parameters: ω0= -0.76, ωa= -1.29. These parameter values match those obtained from the latest dark energy experiment results and would support the interpretation of universe expansion rate as having already changed from acceleration to deceleration. However, a polynomial fit to stellar mass density measurements provides a more complete description of the Information Dark Energy history, especially at low redshifts, z< 0.5. This approach shows that Information Dark Energy has still not reached a maximum, yet to cross ω=-1. This significant difference in interpretation highlights the limits of simple parameterisations, while also providing a prediction that enables Information Dark Energy to be falsified by future measurements, independent of parameterisation. Information Dark Energy has the potential to resolve the cosmological constant and cosmological coincidence problems, both H0 and σ8 tensions, and, concentrated in structures, may account for effects previously attributed to dark matter.
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