Lee Sang Bae O.J. Kwon B.H. Cho CHOI SANG SAM 2024-01-13T23:04:42Z 2024-01-13T23:04:42Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/112578 English Geometrical phase as a two-cocycle Conference 1 Fourth Asia pacific physics conference, Korea, pp.503 Fourth Asia pacific physics conference, Korea 503 503 KO