217 citations · 334 across the 3 of their papers we have counts for
3 papers
quant-ph2008★ 17 cited
Partial-state fidelity and quantum phase transitions induced by continuous level crossing
Ho-Man Kwok, Chun-Sing Ho, Shi-Jian Gu
The global-state fidelity cannot characterize those quantum phase transitions (QPTs) induced by continuous level crossing due to its collapse around each crossing point. In this pa…
quant-ph2007★ 100 cited
Quantum criticality of the Lipkin-Meshkov-Glick Model in terms of fidelity susceptibility
Ho-Man Kwok, Wen-Qiang Ning, Shi-Jian Gu +1
We study the critical properties of the Lipkin-Meshkov-Glick Model in terms of the fidelity susceptibility. By using the Holstein-Primakoff transformation, we obtain explicitly the…
quant-ph2007★ 217 cited
Fidelity susceptibility, scaling, and universality in quantum critical phenomena
Shi-Jian Gu, Ho-Man Kwok, Wen-Qiang Ning +1
We study fidelity susceptibility in one-dimensional asymmetric Hubbard model, and show that the fidelity susceptibility can be used to identify the universality class of the quantu…