Breakdown of detailed balance for thermal radiation by synthetic fields

Abstract

In recent times the possibility of non-reciprocity in heat transfer between two bodies has been extensively studied. In particular the role of strong magnetic fields has been investigated. A much simpler approach with considerable flexibility would be to consider heat transfer in synthetic electric and magnetic fields which are easily applied. We demonstrate the breakdown of detailed balance for the heat transfer function $\mathcal{T}(\omega )$, i.e. the spectrum of heat transfer between two objects due to the presence of synthetic electric and magnetic fields. The spectral measurements carry lot more physical information and were the reason for the quantum theory of radiation. We demonstrate explicitly the synthetic field induced non-reciprocity in the heat transfer transmission function between two graphene flakes and for the Casimir coupling between two objects. Unlike many other cases of heat transfer, the latter case has interesting features of the strong coupling. Further the presence of synthetic fields affects the mean occupation numbers of two membranes and propose this system for the experimental verification of the breakdown of detailed balance.

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Cited by in corpus (6)

• Modulating near-field thermal transfer through temporal drivings: a quantum many-body theory
• Enhancement of synthetic magnetic field induced nonreciprocity via bound states in continuum in dissipatively coupled systems
• Nonreciprocal heat flux via synthetic fields in linear quantum systems
• Asymmetry-induced radiative heat transfer in Floquet systems
• Quantum noise induced nonreciprocity for single photon transport in parity-time symmetric systems
• Dynamical thermal near-field routing with the non-reciprocal Weyl semi-metal Co${}_3$Sn${}_2$S${}_2$