What question did this study set out to answer?

The aim is to resolve the vacuum catastrophe by reinterpreting cosmological constants through thermodynamics.

February 2, 2026Open Access

A Thermodynamic Interpretation of the Vacuum Catastrophe via a Λ-Selected Quantum Scale

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Demonstrates a thermodynamic explanation for vacuum energy density in cosmology, suggesting new connections between gravity and quantum mechanics.

The aim is to resolve the vacuum catastrophe by reinterpreting cosmological constants through thermodynamics.
Analyzed spacetime as a finite-entropy system governed by horizon thermodynamics.
Utilized Jacobson's thermodynamic interpretation of Einstein equations.
Derived vacuum energy density from horizon entropy via the Clausius relation.
Developed a quantum scale using constants like G, ℏ, c, and Λ.
The derived vacuum energy density is consistent with observational values.
The agreement of two derivations indicates a stable and finite vacuum energy without fine-tuning.
Gravity arises as a thermodynamic response linked to finite-entropy vacuum.

Perera et al. (2024) studied this question.

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Demonstrates a thermodynamic explanation for vacuum energy density in cosmology, suggesting new connections between gravity and quantum mechanics.