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cond-mat.mes-hall2024
Probing Berry curvature in magnetic topological insulators through resonant infrared magnetic circular dichroism
Seul-Ki Bac, Florian le Mardelé, Jiashu Wang +16
Probing the quantum geometry and topology in condensed matter systems has relied heavily on static electronic transport experiments in magnetic fields. Yet, contact-free optical me…
cond-mat.str-el2024
Switching between superconductivity and current density waves in Bernal bilayer graphene
Jun Ho Son, Yi-Ting Hsu, Eun-Ah Kim
An out-of-plane magnetic field can always suppress superconductivity. In Bernal-stacked bilayer graphene (BBG), recently observed activation of superconductivity (SC) through eithe…
cond-mat.supr-con2024
Optical absorption signatures of superconductors driven by Van Hove singularities
Hyeok-Jun Yang, Yi-Ting Hsu
Due to the diverging density of states (DOS), Van Hove singularities (VHS) near the Fermi level are known to boost the susceptibility to a wide variety of electronic instabilities,…