384 citations · 1.9k across the 70 of their papers we have counts for
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cond-mat.mes-hall2023★ 9 cited
Non-Hermitian skin effect enforced by nonsymmorphic symmetries
Yutaro Tanaka, Ryo Takahashi, Ryo Okugawa
Crystal symmetries play an essential role in band structures of non-Hermitian Hamiltonian. In this paper, we propose a non-Hermitian skin effect (NHSE) enforced by nonsymmorphic sy…
cond-mat.mes-hall2023★ 13 cited
Bulk-edge correspondence of Stiefel-Whitney and Euler insulators through the entanglement spectrum and cutting procedure
Ryo Takahashi, Tomoki Ozawa
We propose an unconventional bulk-edge correspondence for two-dimensional Stiefel-Whitney insulators and Euler insulators, which are topological insulators protected by the sy…