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

Abstract

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 nano-strips. 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 nano-strips are predicted. It is found that the presence of current usually 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.

arXiv comment11 pages, 11 figures

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• Near-field radiative heat transfer between a nanoparticle and a graphene grating
• Asymmetry-induced radiative heat transfer in Floquet systems
• Beyond the Drude model: surface and non-local effects in near-field radiative heat transfer and the Casimir puzzle
• Super-Planckian radiative heat transfer between coplanar two-dimensional metals
• Casimir-Lifshitz force with graphene: theory versus experiment, role of spatial non-locality and of losses
• Casimir-Lifshitz force for graphene-covered gratings
• Non-equilibrium Green's function formalism for radiative heat transfer