Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065;
School of Physics and Chemistry and Research Center for Advanced Computation, Xihua University, Chengdu 610039;
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065;
School of Physics and Chemistry and Research Center for Advanced Computation, Xihua University, Chengdu 610039;