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Is Dark Energy a Cosmic Casimir Effect?

2011/02/28 by Kévin Cahill, Kevin Cahill, Cahill, Kevin
Physics and Astronomy · #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Quantum Electrodynamics and Casimir Effect #Radioactive Decay and Measurement Techniques #astro-ph.CO #hep-ph

paper · pdf · doi:10.48550/arxiv.1102.5572

Two pages, one figure

openalex publication_date 2011/02/28 · arxiv created 2011/03/25 · arxiv updated 2011/03/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Unknown short-distance effects cancel the quartic divergence of the zero-point energies. If this renormalization took effect in the early universe after the last phase transition and applied only to modes whose wavelengths (over 2 pi) were shorter than the Hubble length 1/H at that time, then the zero-point energies of the modes of longer wavelengths can approximately account for the present value of the dark-energy density. The model makes two predictions.

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