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Article Dans Une Revue Physical Review B Année : 2024

Photon mediated transport of energy, linear momentum, and angular momentum in fullerene and graphene systems beyond local equilibrium

Résumé

Based on a tight-binding model for the electron system, we investigate the transfer of energy, momentum, and angular momentum mediated by electromagnetic fields among buckminsterfullerene (C$_{60}$) and graphene nanostrips. Our nonequilibrium Green's function approach enables calculations away from local thermal equilibrium where the fluctuation-dissipation theorem breaks down. For example, the forces between C$_{60}$ and current-carrying nanostrips are predicted. It is found that the presence of current enhances the van der Waals attractive forces. For two current-carrying graphene strips rotated at some angle, the fluctuational force and torque are much stronger at the nanoscale compared to that of the static Biot-Savart law.
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Dates et versions

hal-04608564 , version 1 (11-06-2024)

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Jian-Sheng Wang, Mauro Antezza. Photon mediated transport of energy, linear momentum, and angular momentum in fullerene and graphene systems beyond local equilibrium. Physical Review B, 2024, 109 (12), pp.125105. ⟨10.1103/PhysRevB.109.125105⟩. ⟨hal-04608564⟩
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