Generation of non-integer high-order harmonics and significant enhancement of harmonic intensity
Chang-Long Xia(夏昌龙), Yue-Yue Lan(兰悦跃), and Xiang-Yang Miao(苗向阳)
中国物理B . 2021, (4): 43202 .  DOI: 10.1088/1674-1056/abd389