The properties of energy spectrum in a non-Hermitian system with PT-symmetry
ZHAN Guo-hui,YU Dian-qiang,WANG Zhi-zhen,ZHANG Lian-lian,GONG Wei-jiang
College Physics . 2018, (3): 78 -81 .  DOI: 10.16854 /j.cnki.1000-0712.170155