Energy cooperation in quantum thermoelectric systems with multiple electric currents

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

(a) The maximum efficiency η_max in units of Carnot efficiency η_C [Eq. (19)], (b) the enhancement factor of the efficiency η_max/max(η_{L − R},η_{P − R}), (c) the maximum output power W_max [Eq. (21)], and (d) the enhancement factor of the power W_max/max(W_{L − R},W_{P − R}) as functions of E₁ and E₂. The parameters are t = −0.2k_BT, Γ = 0.5k_BT, μ = 0, and E₃ = 0.