Fig. 3 | npj Quantum Materials

Fig. 3

From: Controlling heat and particle currents in nanodevices by quantum observation

Fig. 3

Influence of a quantum observation on the thermo-electric flows in a quantum ratchet. b Change of the energy currents in the top \(\left( {j_{{\rm{up}}}^h} \right)\) and bottom \(\left( {j_{{\rm{down}}}^h} \right)\) branches due to the influence of a local measurement on site β. c The particle current in the upper branch can be seen. It is striking in c that the particle ring-current can change direction as a function both of γ D and ΔT

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