PISIN CHEN2019-12-262019-12-261989https://scholars.lib.ntu.edu.tw/handle/123456789/441271Erratum: Field-gradient effect in quantum beamstrahlung (Physical Review Letters (1989) 62, 10 (1213))other10.1103/PhysRevLett.62.12132-s2.0-24544446846https://www.scopus.com/inward/record.uri?eid=2-s2.0-24544446846&doi=10.1103%2fPhysRevLett.62.1213&partnerID=40&md5=8eb56c11415e2203ec59e91d648219b1