Many-body radiative heat pumping

Abstract

We introduce a local radiative heat-pumping effect between two bodies in a many-body system, obtained by periodically modulating both the temperature and the position of an intermediate object using an external source of energy. We show that the magnitude and the sign of energy flow can be tuned by changing the oscillation amplitude and dephasing of the two parameters. This many-body effect paves the way for an efficient and active control of heat fluxes at the nanoscale.

arXiv comment7 pages, 4 figures

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• Heat transfer mediated by the Berry-phase in non-reciprocal many-body systems
• Nonreciprocal heat flux via synthetic fields in linear quantum systems
• Linear and nonlinear response for radiative heat transfer in many-body systems
• Controlling local thermal states in classical many-body systems
• Many-Body Floquet Theory for Radiative Heat Transfer in Time-Modulated Systems
• Time-dependent radiative heat flux after the beginning of thermal radiation