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Open AccessChiral 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...
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Article
The sound of black holes fusing
Reflections on the decibel lead Joe Wolfe and Oleg Sushkov to considerations of infinite waveguides and to why we didn’t hear the LIGO black-hole merger.
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Article
The long and the short of it
Paramagnons with unexpectedly long lifetimes are observed in the paramagnetic state at temperatures above the antiferromagnetic ordering temperature in TlCuCl3, posing a challenge to theory.
