Yen, Nguyen Thi Hai, Le Duc Anh, Hoang Anh Tuan, Nguyen Toan Thang, and Nguyen Thi Huong. “Mott Transition in the Mass Imbalanced Ionic Hubbard Model at Half Filling”. Communications in Physics 29, no. 3SI (October 22, 2019): 305. Accessed November 27, 2021. https://vjs.ac.vn/index.php/cip/article/view/14265.