Raam  Uzdin, Kosloff, Ronnie , Gasparinetti, Simone , and Ozeri, Roee . 2018. ?Markovian Heat Sources With The Smallest Heat Capacity.?.  New. J.  Phys. , 20, Pp. 063030. http://iopscience.iop.org/article/10.1088/1367-2630/aac932/meta.