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quant-ph2023★ 13 cited
Non-Abelian quantum geometric tensor in degenerate topological semimetals
Hai-Tao Ding, Chang-Xiao Zhang, Jing-Xin Liu +3
The quantum geometric tensor (QGT) characterizes the complete geometric properties of quantum states, with the symmetric part being the quantum metric, and the antisymmetric part b…
quant-ph2022★ 18 cited
Extracting non-Abelian quantum metric tensor and its related Chern numbers
Hai-Tao Ding, Yan-Qing Zhu, Peng He +4
The complete geometry of quantum states in parameter space is characterized by the quantum geometric tensor, which contains the quantum metric and Berry curvature as the real and i…