Zhou, Z.Z.ZhouSHIH-I CHU2019-12-262019-12-262013https://scholars.lib.ntu.edu.tw/handle/123456789/441596[SDGs]SDG7Multiphoton above-threshold ionization in superintense free-electron x-ray laser fields: Beyond the dipole approximationjournal article10.1103/PhysRevA.87.0234072-s2.0-84874051427https://www.scopus.com/inward/record.uri?eid=2-s2.0-84874051427&doi=10.1103%2fPhysRevA.87.023407&partnerID=40&md5=e5fda11e716db2d35f9a2cc14cf755d6