Quantized topological transport mediated by the long-range couplings
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909955815112704 |
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| author | Lebedeva, Ekaterina S. Mazanov, Maxim Kavokin, Alexey V. Gorlach, Maxim A. |
| author_facet | Lebedeva, Ekaterina S. Mazanov, Maxim Kavokin, Alexey V. Gorlach, Maxim A. |
| contents | Certain topological systems with time-varying Hamiltonian enable quantized and disorder-robust transport of excitations. Here, we introduce the modification of the celebrated Thouless pump when the on-site energies remain fixed, while the nearest and next-nearest neighbor couplings vary in time. We demonstrate quantized transport of excitations and propose an experimental implementation using an array of evanescently coupled optical waveguides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_13553 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantized topological transport mediated by the long-range couplings Lebedeva, Ekaterina S. Mazanov, Maxim Kavokin, Alexey V. Gorlach, Maxim A. Optics Mesoscale and Nanoscale Physics Certain topological systems with time-varying Hamiltonian enable quantized and disorder-robust transport of excitations. Here, we introduce the modification of the celebrated Thouless pump when the on-site energies remain fixed, while the nearest and next-nearest neighbor couplings vary in time. We demonstrate quantized transport of excitations and propose an experimental implementation using an array of evanescently coupled optical waveguides. |
| title | Quantized topological transport mediated by the long-range couplings |
| topic | Optics Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2509.13553 |