1. Department of Physics, Bandung Institute of Technology, Jl. Ganesha 10, Bandung 40132, Indonesia
2. Agency for Assesment and Application of Technology, BPPT Bld. II (19th floor), Jl. M.H. Thamrin 8, Jakarta 10340, Indonesia
3. Department of Physics, University of Indonesia, Kampus UI Depok, Depok 16424, Indonesia
4. Group for Theoretical and Computational Physics, Research Center for Physics, Indonesian Institute of Sciences, Kompleks Puspiptek Serpong, Tangerang 15310, Indonesia