Knotted non-Hermitian metals

Carlstrom, J; Stalhammar, M; Budich, JC; Bergholtz, EJ

Carlstrom, J (reprint author), Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, S-10691 Stockholm, Sweden.

PHYSICAL REVIEW B, 2019; 99 (16):

Abstract

We report on the occurrence of knotted metallic band structures as stable topological phases in non-Hermitian (NH) systems. These knotted NH metals ar......

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