SHIH-I CHU2019-12-262019-12-261978https://scholars.lib.ntu.edu.tw/handle/123456789/441738Quasienergy formalism for intense field multiphoton ionization of atoms induced by circularly polarized radiationjournal article10.1016/0009-2614(78)80121-32-s2.0-0001370310https://www.scopus.com/inward/record.uri?eid=2-s2.0-0001370310&doi=10.1016%2f0009-2614%2878%2980121-3&partnerID=40&md5=c4018632322a452aef8e4829f5f011b8