Laughlin, C.C.LaughlinSHIH-I CHU2019-12-262019-12-262009https://scholars.lib.ntu.edu.tw/handle/123456789/441621A highly accurate study of a helium atom under pressurejournal article10.1088/1751-8113/42/26/2650042-s2.0-70449498494https://www.scopus.com/inward/record.uri?eid=2-s2.0-70449498494&doi=10.1088%2f1751-8113%2f42%2f26%2f265004&partnerID=40&md5=f993a7150526bdd9565b83fd91f861f1