The heat and work of quantum thermodynamic processes with quantum coherence
Su Shanhe1, 2, Chen Jinfu1, 3, Ma Yuhan1, 3, Chen Jincan2, Sun Changpu1, 3, †
       

(color online) An electron in the presence of a magnetic field whose magnitude B0 is a constant, but whose direction rides around at an angular velocity ω on the tip of a cone of opening angle α.