Niu, Y.Y.NiuCHIH-KAI LINZhu, C.C.ZhuMineo, H.H.MineoSHENG-DER CHAOFujimura, Y.Y.FujimuraHayashi, M.M.HayashiShengHsien Lin2020-04-012020-04-012012https://scholars.lib.ntu.edu.tw/handle/123456789/482740Density matrix method and ultrafast processesjournal article10.1007/s11426-012-4547-4