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quant-ph2025
Role of long-range interaction in critical quantum metrology
Zhen-Xia Niu, Qian Wang
Long-range interacting quantum systems are useful for improving the performance of various applications of quantum technologies. In this work, we carry out a detailed analysis of h…
quant-ph2023★ 2 cited
Excited stated quantum phase transitions and the entropy of the work distribution in the anharmonic Lipkin-Meshkov-Glick model
Haiting Zhang, Yifan Qian, Zhen-Xia Niu +1
Studying the implications and characterizations of the excited state quantum phase transitions (ESQPTs) would enable us to understand various phenomena observed in quantum many bod…