Many-body radiative heat pumping

Riccardo Messina (1) , Philippe Ben-Abdallah (1)

1 Laboratoire Charles Fabry / Nanophotonique

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.

Domaines: Physique [physics]; Matière Condensée [cond-mat]; Mécanique [physics]; Thermique [physics.class-ph]

Riccardo Messina, Philippe Ben-Abdallah. Many-body radiative heat pumping. Physical Review B, 2020, 101 (16), pp.165435. ⟨10.1103/PhysRevB.101.165435⟩. ⟨hal-02566046⟩