1. Center for Quantum Materials, Seoul National University, Seoul 08826, Republic of Korea
2. Department of Physics & Astronomy, Seoul National University, Seoul 08826, Republic of Korea
3. Department of Physics, Sogang University, Seoul 04107, Republic of Korea
4. Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
5. School of Computational Sciences, Korea Institute for Advanced Study, Seoul 02455, Republic of Korea