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<p>Previous studies have shown that increasing the Rabi coupling strength enhances tunneling in certain physical systems. In this work, we uncover a new role of Rabi coupling in tunneling dynamics within a high-frequency driven spin-orbit (SO) coupled Bose-Einstein condensate (BEC). Through analytical and numerical investigations, we reveal that a stronger Rabi coupling suppresses population transfer for the type-I Bloch state, whereas the opposite behavior may emerge for the type-II Bloch solution. This unexpected influence of Rabi coupling on tunneling could provide deeper insight into the mechanisms of quantum transport.</p>

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Nontrivial tunneling in driven spin-orbit coupled Bose-Einstein condensate

  • 期刊论文

  • 发表日期：

    2025年12月2日

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  • Yijia Zhu,
  • Hui Tang,
  • Chao Kong

摘要

Previous studies have shown that increasing the Rabi coupling strength enhances tunneling in certain physical systems. In this work, we uncover a new role of Rabi coupling in tunneling dynamics within a high-frequency driven spin-orbit (SO) coupled Bose-Einstein condensate (BEC). Through analytical and numerical investigations, we reveal that a stronger Rabi coupling suppresses population transfer for the type-I Bloch state, whereas the opposite behavior may emerge for the type-II Bloch solution. This unexpected influence of Rabi coupling on tunneling could provide deeper insight into the mechanisms of quantum transport.