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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.22907 |
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| _version_ | 1866909712657678336 |
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| author | Hao, Xianglin Wang, Xiaosheng Yin, ke Ren, Sheng Jiang, Chaoqiang Zou, Jianlong Dong, Tianyu Tse, Chi Kong |
| author_facet | Hao, Xianglin Wang, Xiaosheng Yin, ke Ren, Sheng Jiang, Chaoqiang Zou, Jianlong Dong, Tianyu Tse, Chi Kong |
| contents | Nonlinear parity-time (PT) symmetry in non-Hermitian wireless power transfer (WPT) systems, while attracting significant attention from both physics and engineering communities, have posed formidable theoretical and practical challenges due to their complex dynamical mechanisms. Here, we revisit multistability in nonlinear non-Hermitian systems and find that the PT-symmetry state is not always stable even in PT-symmetry phase. We report a discovery on a nonlinear clock-pulling mechanism, which can forcibly break the PT symmetry. Proper implementation of this mechanism can switch the system stability, particularly in stabilizing the conventional unstable state which has the maximum transfer efficiency for WPT. Our work offers new tools for non-Hermitian physics and is expected to drive technological progress. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_22907 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Clock Pulling Enables Maximum-Efficiency Wireless Power Transfer Hao, Xianglin Wang, Xiaosheng Yin, ke Ren, Sheng Jiang, Chaoqiang Zou, Jianlong Dong, Tianyu Tse, Chi Kong Applied Physics Classical Physics Optics Quantum Physics Nonlinear parity-time (PT) symmetry in non-Hermitian wireless power transfer (WPT) systems, while attracting significant attention from both physics and engineering communities, have posed formidable theoretical and practical challenges due to their complex dynamical mechanisms. Here, we revisit multistability in nonlinear non-Hermitian systems and find that the PT-symmetry state is not always stable even in PT-symmetry phase. We report a discovery on a nonlinear clock-pulling mechanism, which can forcibly break the PT symmetry. Proper implementation of this mechanism can switch the system stability, particularly in stabilizing the conventional unstable state which has the maximum transfer efficiency for WPT. Our work offers new tools for non-Hermitian physics and is expected to drive technological progress. |
| title | Clock Pulling Enables Maximum-Efficiency Wireless Power Transfer |
| topic | Applied Physics Classical Physics Optics Quantum Physics |
| url | https://arxiv.org/abs/2507.22907 |