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Nonlinear thermotics: nonlinearity enhancement and harmonic generation in thermal metasurfaces

Author

Listed:
  • Gaole Dai

    (State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University)

  • Jin Shang

    (State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University)

  • Ruizhe Wang

    (State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University)

  • Jiping Huang

    (State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University
    Collaborative Innovation Center of Advanced Microstructures)

Abstract

We propose and investigate a class of structural surfaces (metasurfaces). We develop the perturbation theory and the effective medium theory to study the thermal properties of the metasurface. We report that the coefficient of temperature-dependent (nonlinear) item in thermal conductivity can be enhanced under certain conditions. Furthermore, the existence of nonlinear item helps to generate high-order harmonic frequencies of heat flux in the presence of a heat source with periodic temperature. This work paves a different way to control and manipulate the transfer of heat, and it also makes it possible to develop nonlinear thermotics in the light of nonlinear optics.

Suggested Citation

  • Gaole Dai & Jin Shang & Ruizhe Wang & Jiping Huang, 2018. "Nonlinear thermotics: nonlinearity enhancement and harmonic generation in thermal metasurfaces," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 91(3), pages 1-7, March.
    • Handle: RePEc:spr:eurphb:v:91:y:2018:i:3:d:10.1140_epjb_e2018-80596-8
    DOI: 10.1140/epjb/e2018-80596-8
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    Keywords

    Statistical and Nonlinear Physics;

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