1. Computational Physics Laboratory K002, Ho Chi Minh City University of Education, 72759 Ho Chi Minh City, Vietnam
2. Department of Physics, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, Ward 4, District 5, 72759 Ho Chi Minh City, Vietnam
3. Vietnam Atomic Energy Institute, 59 Ly Thuong Kiet Street, Hoan Kiem District, 11019 Hanoi, Vietnam