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Determination of the Cosmological Constant Magnitude via Phase-Space Suppression from the Standard Model Fermionic Spin Degrees of Freedom | Zenodo

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Published July 23, 2026

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Determination of the Cosmological Constant Magnitude via Phase-Space Suppression from the Standard Model Fermionic Spin Degrees of Freedom

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Kis, Norbert Levente

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Determination of the Cosmological Constant Magnitude via Phase-Space Suppression from the Standard Model Fermionic Spin Degrees of Freedom

We present a first-principles, parameter-free derivation of the observed dark en-<br>ergy density (&rho;&Lambda;) based solely on the experimentally established fermionic content<br>of the Standard Model. We find that the non-perturbative suppression factor, orig-<br>inating from the Euclidean phase-space path integral and governed by the total<br>number of independent spin degrees of freedom, naturally yields the observed mag-<br>nitude of the cosmological constant. The model requires no new particles, no extra<br>dimensions, and no fine-tuning.

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cosmological constant

dark energy

Standard Model

quantum field theory

phase space

vacuum energy

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10.5281/zenodo.21515348

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Kis Norbert Levente

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Created

July 23, 2026

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July 24, 2026

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