Quantum Security Proof Based on Quantum Decoherence

Jincheng Zhang

Published Sep 2, 2026• 0 citations

Abstract

This paper investigates the potential of utilizing quantum decoherence as a foundation for enhanced computational security. Traditional cryptographic algorithms are increasingly vulnerable to attacks leveraging quantum computing capabilities. This research proposes a novel approach to secure key distribution by exploiting the inherent properties of quantum decoherence. We design a quantum key distribution (QKD) protocol that incorporates controlled quantum noise and environmental interactions, specifically leveraging the rapid decoherence of quantum states. The protocol's core principle is that the unpredictable nature of decoherence – the loss of quantum information due to interaction with the environment – makes it extraordinarily difficult for an eavesdropper to predict and exploit the key distribution process. The resulting security stems not from the laws of physics themselves, but from the attacker's inability to reliably model and manipulate the quantum system's rapidly evolving state. We present a mathematical framework to analyze the security of this protocol, highlighting key parameters influencing its resilience. This work offers a fundamentally new security paradigm, shifting the focus from algorithm-based security to a system-level approach centered around harnessing the chaotic nature of quantum decoherence. The presented scheme demonstrates a promising path toward building robust, quantum-resistant cryptographic systems.

DOI: 10.5281/zenodo.22245986

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