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Van Hove annihilation and nematic instability on a kagome lattice

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  1. Article

    Open Access

    Chiral excitonic order from twofold van Hove singularities in kagome metals

    Recent experiments on kagome metals AV3Sb5 (A=K,Rb,Cs) identify twofold van Hove singularities (TvHS) with opposite concavity near the Fermi energy, generating two approximately hexagonal Fermi surfaces – one ele...

    Harley D. Scammell, Julian Ingham, Tommy Li, Oleg P. Sushkov in Nature Communications (2023)