CHONG-DER HU2018-09-102018-09-101989http://www.scopus.com/inward/record.url?eid=2-s2.0-0347075914&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/349722Second-harmonic generation on simple metal surfaces: A quantum-mechanical point of viewjournal article10.1103/PhysRevB.40.75202-s2.0-0347075914