A systematic approximate method for the study of evolution problem beyond rotating wave approximation
张正阶, 汪克林, 秦敢
A systematic approximate method for the study of evolution problem beyond rotating wave approximation
Zhang Zheng-Jie (张正阶), Wang Ke-Lin (汪克林), Qin Gan (秦敢)
中国物理B . 2005, (7): 1317 -1322 .  DOI: 10.1088/1009-1963/14/7/009