TY - RPRT TI - Quantum refrigeration cycles using spin-1/2 systems as the working substance. AU - Jizhou He AU - Jincan Chen AU - Ben Hua PY - 2002 DO - 10.1103/physreve.65.036145 UR - https://pubmed.ncbi.nlm.nih.gov/11909203/ ID - 11909203 ER -