【作者单位】aDepartment of Physics, Changzhi University, Changzhi, 046011, China;bState Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, 030006, China;cDepartment of Physics, Taiyuan Normal University, Jinzhong, 030619, China
【年份】2024
【卷号】Vol.73 No.22
【ISSN】1000-3290
【关键词】gain and loss partial PT symmetry PT symmetry broken
【摘要】 Parity-time in atomic systems is of great significance for exploring exotic phenomena in non-Hermitian physics and non-Hermitian systems. It has been found that if PT symmetry is satisfied only in a certain spatial direction, then the Hamiltonian of...