Quantum Privacy via Entanglement Decoherence

Jincheng Zhang

Published Sep 3, 2026• 0 citations

Abstract

This paper investigates the utilization of entanglement decoherence as a novel privacy-preserving mechanism within quantum computation. The core concept hinges on strategically introducing controlled decoherence into quantum calculations, thereby mitigating the risk of information leakage and facilitating secure quantum processing. Traditional approaches to quantum privacy often rely on complex cryptographic protocols, which can introduce significant overhead and limitations. This research proposes a fundamentally different method leveraging the inherent properties of entanglement and its susceptibility to decoherence. Specifically, we explore techniques for introducing precisely calibrated decoherence effects to obscure the intermediate quantum states, effectively limiting the information accessible to potential eavesdroppers. The theoretical framework presented outlines the key mathematical relationships and operational considerations for achieving this goal, focusing on the probabilistic reduction of information leakage. The proposed model offers a potentially more efficient and scalable approach to quantum privacy, addressing some of the challenges associated with existing solutions. We define key parameters such as decoherence rate (Γ), initial entanglement fidelity (F₀), and the degree of controlled decoherence (δ) to quantify the effectiveness of the privacy protection. The work culminates in a discussion of the trade-offs between privacy and computational utility, highlighting the need for careful parameter optimization.

DOI: 10.5281/zenodo.22273591

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