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  • Letter

Modulating near-field radiative energy and momentum transfer via rotating Weyl semimetals

Huimin Zhu1,4, Gaomin Tang2,*, Lei Zhang1,4,†, and Jun Chen3,4,‡

  • *Contact author: gmtang@gscaep.ac.cn
  • †Contact author: zhanglei@sxu.edu.cn
  • ‡Contact author: chenjun@sxu.edu.cn

Phys. Rev. B 113, L121404 – Published 6 March, 2026

DOI: https://doi.org/10.1103/15hd-v4kp

Abstract

We study near-field radiative transfer of energy, angular momentum, and linear momentum between a nanoparticle and a plate consisting of magnetic Weyl semimetals, and demonstrate that these can be efficiently tuned by a relative angle between the Weyl node separations. This tunability originates from the coupling between the particle-induced rotational Poynting vector and the nonreciprocal surface plasmon polaritons supported by the plate. Remarkably, we uncover a counterintuitive regime in which both energy and angular momentum transfer are maximized when the Weyl node separations are antiparallel rather than parallel. This arises from optimal mode matching between the rotation direction of the particle's circular heat flux and the propagation direction of the surface plasmon polaritons in the antiparallel configuration.

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