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Permanent Directional Heat Currents in Lattices of Optomechanical Resonators

Abstract : We study the phonon dynamics in lattices of optomechanical resonators where the mutually coupled photonic modes are coherently driven and the mechanical resonators are uncoupled and connected to independent thermal baths. We present a general procedure to obtain the effective Lindblad dynamics of the phononic modes for an arbitrary lattice geometry, where the light modes play the role of an effective reservoir that mediates the phonon nonequilibrium dynamics. We show how to stabilize stationary states exhibiting directional heat currents over arbitrary distance, despite the absence of thermal gradient and of direct coupling between the mechanical resonators.
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Contributor : Zakari Denis Connect in order to contact the contributor
Submitted on : Friday, November 27, 2020 - 2:17:50 PM
Last modification on : Friday, August 5, 2022 - 12:01:52 PM
Long-term archiving on: : Sunday, February 28, 2021 - 6:09:28 PM


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Zakari Denis, Alberto Biella, Ivan Favero, Cristiano Ciuti. Permanent Directional Heat Currents in Lattices of Optomechanical Resonators. Physical Review Letters, American Physical Society, 2020, 124 (8), pp.083601. ⟨10.1103/PhysRevLett.124.083601⟩. ⟨hal-03026103⟩



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