Drift current-induced tunable near-field energy transfer between twist magnetic Weyl semimetals and graphene
Abstract: Both the nonreciprocal surface modes in Weyl semimetal (WSM) with a large anomalous Hall effect and the nonreciprocal photon occupation number on a graphene surface induced by the drift current provide a promising way to manipulate the nonreciprocal near-field energy transfer. Interestingly, the interactions between nonreciprocities are highly important for research in (thermal) photonics but remain challenging. In this study, we theoretically investigated the near-field radiative heat flux transfer between a graphene heterostructure supported by a magnetic WSM and a twist-Weyl semimetal (T-WSM). The nonreciprocal surface mode could be changed by the separation space between two Weyl nodes and the twist angle. Notably, we found that in the absence of a temperature difference between two parallel plates, nonequilibrium fluctuations caused by drift currents led to the transfer of near-field radiative heat flux. Furthermore, these nonreciprocal surface modes interacted with the nonreciprocal photon occupation number in graphene to achieve flexible manipulation of the near-field heat flux size and direction. Additionally, graphene adjustable flux in the case of a temperature difference between the two plates was also discussed. Our scheme can provide a reference for near-field heat flux regulation in nonequilibrium systems.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Drift current-induced tunable near-field energy transfer between twist magnetic Weyl semimetals and graphene ; volume:12 ; number:20 ; year:2023 ; pages:3911-3920 ; extent:10
Nanophotonics ; 12, Heft 20 (2023), 3911-3920 (gesamt 10)
- Creator
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Ma, Qijun
Chen, Xue
Xiong, Qisen
Jiang, Leyong
Xiang, Yuanjiang
- DOI
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10.1515/nanoph-2023-0345
- URN
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urn:nbn:de:101:1-2023101114082030264506
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:58 AM CEST
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Associated
- Ma, Qijun
- Chen, Xue
- Xiong, Qisen
- Jiang, Leyong
- Xiang, Yuanjiang
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