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cond-mat.mes-hall2025
Tunable quantum metric and band topology in bilayer Dirac models
Xun-Jiang Luo, Xing-Lei Ma, K. T. Law
Quantum metric, a fundamental component of quantum geometry, has attracted broad interest in recent years due to its critical role in various quantum phenomena. Meanwhile, band top…
cond-mat.other2025
Spin Group Symmetry Criteria for Odd-parity Magnets
Xun-Jiang Luo, Jin-Xin Hu, Meng-Li Hu +1
Odd-parity magnets (OPMs) have recently emerged as a new magnetic class, but their general symmetry criteria remain elusive. In this Letter, we establish these criteria through a c…
cond-mat.mes-hall2025
Non-Abelian Quantum Metric Governed Topological Boundary-Mode Localization
Xing-Lei Ma, Jin-Xin Hu, K. T. Law
The presence of localized boundary modes is an unambiguous hallmark of topological quantum matter. While these modes are typically protected by topological invariants such as the C…