تقرير
Observation and control of hybrid spin-wave-Meissner-current transport modes
| العنوان: | Observation and control of hybrid spin-wave-Meissner-current transport modes |
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| المؤلفون: | Borst, M., Vree, P. H., Lowther, A., Teepe, A., Kurdi, S., Bertelli, I., Simon, B. G., Blanter, Y. M., van der Sar, T. |
| المصدر: | Science 382, 430-434 (2023) |
| سنة النشر: | 2023 |
| المجموعة: | Condensed Matter Quantum Physics |
| مصطلحات موضوعية: | Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Superconductivity, Quantum Physics |
| الوصف: | Superconductors are materials with zero electrical resistivity and the ability to expel magnetic fields known as the Meissner effect. Their dissipationless diamagnetic response is central to magnetic levitation and circuits such as quantum interference devices. Here, we use superconducting diamagnetism to shape the magnetic environment governing the transport of spin waves - collective spin excitations in magnets that are promising on-chip signal carriers - in a thin-film magnet. Using diamond-based magnetic imaging, we observe hybridized spin-wave-Meissner-current transport modes with strongly altered, temperature-tunable wavelengths. We extract the temperature-dependent London penetration depth from the wavelength shifts and realize local control of spin-wave refraction using a focused laser. Our results demonstrate the versatility of superconductor-manipulated spin-wave transport and have potential applications in spin-wave gratings, filters, crystals and cavities. Comment: main: 8 pages, 5 figures, supp: 15 pages, 6 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1126/science.adj7576 |
| URL الوصول: | http://arxiv.org/abs/2307.07581 |
| رقم الأكسشن: | edsarx.2307.07581 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1126/science.adj7576 |
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