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Vacuum Interaction Model for Cosmic Redshift

Nguyen TN

2026

Abstract

This paper presents a phenomenological model identifying the quantum vacuum as a physical mechanism for cosmic redshift. We model the quantum vacuum as an active medium with an effective electrical conductivity σ0, intrinsically related to the dynamic structure of virtual electron–positron (e+e−) pairs. We demonstrate that cosmic redshift and the Hubble constant H0 arise naturally from the continuous energy dissipation of propagating photons interacting with this vacuum impedance Z0. Specifically, every photon loses a constant fraction of energy per oscillation equivalent to hH0≈1.5×10−51J, representing a fundamental unit of cosmic energy dissipation. We derive the analytical relation H0=σ0(g)cZ0, establishing the Hubble constant as a local function governed by the local gravitational potential. This framework provides a straightforward mathematical resolution to the Hubble tension while offering a testable, non-expansionary mechanism for cosmological redshift.

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