Quantum Spin Decoherence Modeling

Jincheng Zhang

Published Aug 31, 2026• 0 citations

Abstract

Quantum spin decoherence is a fundamental process in quantum systems, leading to loss of quantum information and potential for abrupt transitions. This paper presents a novel approach to modeling quantum spin decoherence, focusing on the non-linear coupling between spin states and utilizing quantum entanglement to enhance simulation accuracy. We propose a new mechanism, termed "self-coupling," which dynamically models the interactions between spin states, incorporating quantum entanglement to capture the intricate dynamics of decoherence. This model aims to provide a more robust and nuanced understanding of this complex phenomenon. The paper details the mathematical framework underpinning this approach, including the self-coupling equation and its implications for simulating decoherence rates. We demonstrate the efficacy of this method through simulations, showcasing improved accuracy in predicting and characterizing decoherence behavior compared to existing models. Finally, the paper discusses potential applications in quantum information processing and quantum metrology.

DOI: 10.5281/zenodo.22201006

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