We are thankful for helpful discussions with Shanshan Cao, Xu Cao, Hengtong Ding, Fei Gao, Feng Li, Yanfang Liu, Subahash Singha, and Yifeng Sun. This work was supported in part by the NSFC under Grants No. 12075007 and No. 11675004 (B. F. and H. S.) and by No. 11861131009 and No. 12075098 (L. P.), as well as by the Strategic Priority Research Program of Chinese Academy of Sciences, Grant No. XDB34000000 (S. Y. F. L. and Y. Y.). We acknowledge the extensive computing resources provided by the Supercomputing Center of Chinese Academy of Science (SCCAS), Tianhe-1A from the National Supercomputing Center in Tianjin, China, and the High-Performance Computing Platform of Peking University, as well as Nuclear Science Computer Center at CCNU (NSC3), China.
