Scheme to measure the expectation value of a physical quantity in weak coupling regime
Jie Zhang(张杰), Chun-Wang Wu(吴春旺), Yi Xie(谢艺), Wei Wu(吴伟), and Ping-Xing Chen(陈平形)
Chin. Phys. B . 2021, (3): 33201 .  DOI: 10.1088/1674-1056/abd772