PEI-MING HO2018-09-102018-09-102007-11http://inspirehep.net/record/767943http://scholars.lib.ntu.edu.tw/handle/123456789/331187Discrete States in Light-Like Linear Dilaton Backgroundjournal article10.1088/1126-6708/2008/01/0542-s2.0-38949183791WOS:000252983400023