Pusan National University, Korea Basic Science Institute, Pusan National University, Pusan National University, Pusan National University, Pusan National University, Pusan National University, Pusan National University, Sungkyunkwan University, affiliation not provided to SSRN, Hanyang University, Pusan National University, Sungkyunkwan University, affiliation not provided to SSRN, Hanyang University, Korea Basic Science Institute, Fukuoka University, Korea Research Institute of Standards and Science (KRISS) - Quantum Spin Team and Pusan National University, Department of Physics