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Schematic plot of a quantum dot with a single discrete level coupled to the electron and phonon reservoirs. The temperatures of the left and the right electron reservoirs are individually . The temperature of the phonon reservoir is fixed at the equilibrium temperature .
The heat generation (a) and the electron current (b) as functions of the dot level for fixed equilibrium temperature and different values of . The properties of the Fermi functions and the transmission coefficients are shown in (c) and (d) with given parameters. The inset in (c) is the thermal bias windows and , and the inset in (d) is the product of and . The line-width functions are . The electron-phonon coupling strength is fixed at .
(a) Heat generation as a function of with . (b) Heat generation vs with and different values of .
(a) Electric bias induced by the thermal bias under the condition of I = 0 for different values of the equilibrium temperature , (b) the associated heat generation. Other parameters are .
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