PISIN CHEN2019-12-262019-12-262013https://scholars.lib.ntu.edu.tw/handle/123456789/441034Natural emergence of cosmological constant and dark radiation from the Stephenson-Kilmister-Yang-Camenzind theory of gravityjournal article10.1103/PhysRevD.88.1230062-s2.0-84896539435https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896539435&doi=10.1103%2fPhysRevD.88.123006&partnerID=40&md5=2d900cfce5160856d96b1958a3fe9c2b