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Heat transfer control using a thermal analogue of coherent perfect absorption

Author

Listed:
  • Ying Li

    (Zhejiang University
    The Electromagnetics Academy of Zhejiang University, Zhejiang University
    Jinhua Institute of Zhejiang University, Zhejiang University)

  • Minghong Qi

    (Zhejiang University
    The Electromagnetics Academy of Zhejiang University, Zhejiang University
    Jinhua Institute of Zhejiang University, Zhejiang University)

  • Jiaxin Li

    (Harbin Institute of Technology
    National University of Singapore)

  • Pei-Chao Cao

    (Huazhong University of Science and Technology)

  • Dong Wang

    (Zhejiang University
    The Electromagnetics Academy of Zhejiang University, Zhejiang University
    Jinhua Institute of Zhejiang University, Zhejiang University)

  • Xue-Feng Zhu

    (Huazhong University of Science and Technology)

  • Cheng-Wei Qiu

    (National University of Singapore)

  • Hongsheng Chen

    (Zhejiang University
    The Electromagnetics Academy of Zhejiang University, Zhejiang University
    Jinhua Institute of Zhejiang University, Zhejiang University)

Abstract

Recent investigations on non-Hermitian physics have unlocked new possibilities to manipulate wave scattering on lossy materials. Coherent perfect absorption is such an effect that enables all-light control by incorporating a suitable amount of loss. On the other hand, controlling heat transfer with heat may empower a distinct paradigm other than using thermal metamaterials. However, since heat neither propagates nor carries any momentum, almost all concepts in wave scattering are ill-defined for steady-state heat diffusion, making it formidable to understand or utilize any coherent effect. Here, we establish a scattering theory for heat diffusion by introducing an imitated momentum for thermal fields. The thermal analogue of coherent perfect absorption is thus predicted and demonstrated as the perfect absorption of exergy fluxes and undisturbed temperature fields. Unlike its photonic counterpart, thermal coherent perfect absorption can be realized for regular thermal materials, and be generalized for various objects.

Suggested Citation

  • Ying Li & Minghong Qi & Jiaxin Li & Pei-Chao Cao & Dong Wang & Xue-Feng Zhu & Cheng-Wei Qiu & Hongsheng Chen, 2022. "Heat transfer control using a thermal analogue of coherent perfect absorption," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30023-1
    DOI: 10.1038/s41467-022-30023-1
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    References listed on IDEAS

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    1. Guoqiang Xu & Kaichen Dong & Ying Li & Huagen Li & Kaipeng Liu & Longqiu Li & Junqiao Wu & Cheng-Wei Qiu, 2020. "Tunable analog thermal material," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    2. Ying Li & Xue Bai & Tianzhi Yang & Hailu Luo & Cheng-Wei Qiu, 2018. "Structured thermal surface for radiative camouflage," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    3. Kevin Pichler & Matthias Kühmayer & Julian Böhm & Andre Brandstötter & Philipp Ambichl & Ulrich Kuhl & Stefan Rotter, 2019. "Random anti-lasing through coherent perfect absorption in a disordered medium," Nature, Nature, vol. 567(7748), pages 351-355, March.
    4. Jiaxin Li & Ying Li & Pei-Chao Cao & Minghong Qi & Xu Zheng & Yu-Gui Peng & Baowen Li & Xue-Feng Zhu & Andrea Alù & Hongsheng Chen & Cheng-Wei Qiu, 2022. "Reciprocity of thermal diffusion in time-modulated systems," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
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    Cited by:

    1. Huagen Li & Dong Wang & Guoqiang Xu & Kaipeng Liu & Tan Zhang & Jiaxin Li & Guangming Tao & Shuihua Yang & Yanghua Lu & Run Hu & Shisheng Lin & Ying Li & Cheng-Wei Qiu, 2024. "Twisted moiré conductive thermal metasurface," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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