Nanofluidic logic based on chiral skyrmion flows
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912686751612928 |
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| author | Zhang, Xichao Xia, Jing Zhou, Yan Zhao, Guoping Liu, Xiaoxi Xu, Yongbing Mochizuki, Masahito |
| author_facet | Zhang, Xichao Xia, Jing Zhou, Yan Zhao, Guoping Liu, Xiaoxi Xu, Yongbing Mochizuki, Masahito |
| contents | Particle-like chiral magnetic skyrmions can flow in nanotracks and behave like chiral fluids. Using interacting flows to perform logical operations is an important topic in microfluidics and nanofluidics. Here, we report a basic nanofluidic logic computing system based on chiral magnetic skyrmions flowing in parallel pipelines connected by an H-shaped junction. The flow behaviors could be manipulated by adjusting the spin polarization angle, which controls the intrinsic skyrmion Hall angle. We demonstrate that within certain range of the spin polarization angle, fully developed skyrmion flows could lead to fluidic logical operations, which significantly reduce the complexity of skyrmion logic as there is no need for deterministic creation, precise control, and detection of a single isolated skyrmion. Our results suggest that the chiral flow behaviors of magnetic quasiparticles may offer possibilities for spintronic and nanofluidic functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02195 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nanofluidic logic based on chiral skyrmion flows Zhang, Xichao Xia, Jing Zhou, Yan Zhao, Guoping Liu, Xiaoxi Xu, Yongbing Mochizuki, Masahito Mesoscale and Nanoscale Physics Soft Condensed Matter Applied Physics Fluid Dynamics Particle-like chiral magnetic skyrmions can flow in nanotracks and behave like chiral fluids. Using interacting flows to perform logical operations is an important topic in microfluidics and nanofluidics. Here, we report a basic nanofluidic logic computing system based on chiral magnetic skyrmions flowing in parallel pipelines connected by an H-shaped junction. The flow behaviors could be manipulated by adjusting the spin polarization angle, which controls the intrinsic skyrmion Hall angle. We demonstrate that within certain range of the spin polarization angle, fully developed skyrmion flows could lead to fluidic logical operations, which significantly reduce the complexity of skyrmion logic as there is no need for deterministic creation, precise control, and detection of a single isolated skyrmion. Our results suggest that the chiral flow behaviors of magnetic quasiparticles may offer possibilities for spintronic and nanofluidic functions. |
| title | Nanofluidic logic based on chiral skyrmion flows |
| topic | Mesoscale and Nanoscale Physics Soft Condensed Matter Applied Physics Fluid Dynamics |
| url | https://arxiv.org/abs/2511.02195 |