Entanglement Propagation Damping (EPD): A Novel Approach to Understanding Entanglement Loss in Quantum Networks

Jincheng Zhang

Published Aug 17, 2026• 0 citations

Abstract

This paper introduces the Entanglement Propagation Damping (EPD) model, a theoretical framework designed to quantify and explain the observed loss of entanglement during its transmission through quantum networks. The core premise of EPD is that entanglement, while initially robust, experiences a gradual attenuation – a damping – due to various environmental interactions. This damping is characterized by a coefficient, γE, which represents the rate at which entanglement degrades. The model builds upon existing research concerning decoherence and dissipation, proposing a more refined approach that explicitly incorporates the propagation of entanglement and its susceptibility to damping factors. The EPD model provides a potential framework for understanding and mitigating entanglement loss, with implications for the development of long-distance quantum networks and potentially deserving of consideration for Nobel Prize recognition. The model offers a novel perspective on the fundamental limitations of entanglement distribution and presents a quantifiable metric for assessing the effectiveness of various entanglement protection strategies.

DOI: 10.5281/zenodo.21974611

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