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<p>This study explores quantum information dynamics in asymmetrically coupled double quantum dots, analyzing the effects of symmetry, initial state, and Coulomb interactions on correlation preservation. Results show that symmetry enhances entanglement robustness, while asymmetry and high entanglement increase sensitivity to decoherence. Strong Coulomb interactions support fidelity and capacity retention. These insights are relevant for optimizing protocols such as dense coding and teleportation in decohering environments.</p>

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Asymmetric Rate and Its Impact on Communication Protocol Dynamics in Coupled Double Quantum Dot Systems

  • 期刊论文

  • 发表日期：

    2025年7月9日

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  • Younes Moqine,
  • Brahim Adnane,
  • Aziz Khribach,
  • Abdelghani El Houri,
  • Ayyoub El Mouatasim,
  • Rachid Houça

摘要

This study explores quantum information dynamics in asymmetrically coupled double quantum dots, analyzing the effects of symmetry, initial state, and Coulomb interactions on correlation preservation. Results show that symmetry enhances entanglement robustness, while asymmetry and high entanglement increase sensitivity to decoherence. Strong Coulomb interactions support fidelity and capacity retention. These insights are relevant for optimizing protocols such as dense coding and teleportation in decohering environments.