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Quantum Chaos: Harnessing Chaos Control to Mitigate Decoherence in Quantum Systems

Jincheng Zhang

Published Sep 4, 2026• 0 citations
Publisher

Abstract

Decoherence, the process by which quantum systems lose their quantum properties due to interaction with the environment, poses a significant challenge to the development and application of quantum information processing. This work explores a novel approach to mitigating decoherence by leveraging principles from chaos theory – specifically, chaos control. We investigate how controlled chaotic dynamics can be employed to effectively counteract the detrimental effects of decoherence, ultimately aiming to prolong the coherence time of quantum states. The core idea is to introduce carefully designed external drives that induce chaotic behavior within the quantum system, effectively 'smearing out' the decoherence process. This approach contrasts with traditional methods, which often focus on isolating the quantum system from its environment. We present a theoretical framework for analyzing this interaction, utilizing concepts such as Lyapunov exponents and phase space reconstruction to characterize the chaotic dynamics and quantify the impact on decoherence. Our results suggest a promising new avenue for quantum information protection, potentially leading to more robust and efficient quantum computing and communication technologies. We define key parameters such as the initial state of the system (s_0), the external driving force (F), the system Hamiltonian (H), and the decoherence rate (γ). The effectiveness of this approach is quantified through the evolution of the quantum state, represented by the time-dependent probability amplitudes (ψ(t)).

DOI
10.5281/zenodo.22293637

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