Energy cooperation in quantum thermoelectric systems with multiple electric currents

Liu Yefeng¹, Lu Jincheng^{1, †}, Wang Rongqian¹, Wang Chen², Jiang Jian-Hua^{1, ‡}

The optimal performances of the four-terminal heat engine for various QD energies E₃ and E₄. (a) The maximum efficiency [Eq. (39)], (b) the efficiency at the maximum output power [Eq. (40)], (c) the maximum output power [Eq. (41)], and (d) the output power at the maximum efficiency [Eq. (42)]. The other parameters are t = −0.2k_BT, μ = 0, E₁ = 1.0k_BT, and E₂ = 2.0k_BT.