YAsS and SmAsS are predicted to be topological crystalline insulators with glide-protected hourglass fermions, and SmAsS is a candidate heavy-fermion material whose surface states should survive Kondo correlations.
Wieder, Zhida Song, Yuanfeng Xu, Barry Bradlyn, and B
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Emergent heavy-fermion physics in a new family of topological insulators RAsS (R = Y, La, and Sm)
YAsS and SmAsS are predicted to be topological crystalline insulators with glide-protected hourglass fermions, and SmAsS is a candidate heavy-fermion material whose surface states should survive Kondo correlations.