δ-Quench measurement of quantum wavefunction

Shanchao Zhang1†, Yiru Zhou1†, Yefeng Mei2†, Kaiyu Liao, Yongli Wen, Jianfeng Li, Xin-Ding Zhang, Shengwang Du2,1∗, Hui Yan1∗ and Shi-Liang Zhu3,1∗ Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, GPETR Center for Quantum Precision Measurement and SPTE, South China Normal University, Guangzhou 510006, China Department of Physics & William Mong Institute of Nano Science and Technology, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong S.A.R., China National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China