Spatiotemporal Diffusion Metamaterials: Theories and Applications
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866911891726532608 |
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| author | Liu, Jinrong Xu, Liujun Huang, Jiping |
| author_facet | Liu, Jinrong Xu, Liujun Huang, Jiping |
| contents | Diffusion metamaterials with artificial spatial structures have significant potential in controlling energy and mass transfer. Those static structures may lead to functionality and tunability constraints, impeding the application scope of diffusion metamaterials. Dynamic structures, adding the temporal dimension, have recently provided a new possibility for electric charge and heat diffusion regulation. This perspective introduces the fundamental theories and practical constructions of spatiotemporal diffusion metamaterials for achieving nonreciprocal, topological, or tunable properties. Compared with traditional static design, spatiotemporal modulation is promising to manipulate diffusion processes dynamically, with applications of real-time thermal coding and programming. Existing spatiotemporal diffusion explorations are primarily at macroscopic systems, and we may envision extending these results to microscale and other physical domains like thermal radiation and mass diffusion shortly. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_18440 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Spatiotemporal Diffusion Metamaterials: Theories and Applications Liu, Jinrong Xu, Liujun Huang, Jiping Applied Physics Diffusion metamaterials with artificial spatial structures have significant potential in controlling energy and mass transfer. Those static structures may lead to functionality and tunability constraints, impeding the application scope of diffusion metamaterials. Dynamic structures, adding the temporal dimension, have recently provided a new possibility for electric charge and heat diffusion regulation. This perspective introduces the fundamental theories and practical constructions of spatiotemporal diffusion metamaterials for achieving nonreciprocal, topological, or tunable properties. Compared with traditional static design, spatiotemporal modulation is promising to manipulate diffusion processes dynamically, with applications of real-time thermal coding and programming. Existing spatiotemporal diffusion explorations are primarily at macroscopic systems, and we may envision extending these results to microscale and other physical domains like thermal radiation and mass diffusion shortly. |
| title | Spatiotemporal Diffusion Metamaterials: Theories and Applications |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2405.18440 |