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cond-mat.mes-hall2025
Spatiotemporal chaos in the interface growth of topological insulators
Yutaro Tanaka, Akira Furusaki
We demonstrate that topological insulators exhibit an intrinsic interfacial instability that amplifies small interface fluctuations, resulting in chaotic behavior during interface…
cond-mat.mes-hall2025
Nonsymmorphic Topological Phases of Non-Hermitian Systems
Daichi Nakamura, Yutaro Tanaka, Ken Shiozaki +1
Non-Hermiticity appears ubiquitously in various open classical and quantum systems and enriches classification of topological phases. However, the role of nonsymmorphic symmetry, c…
cond-mat.mes-hall2024★ 4 cited
Exceptional second-order topological insulators
Yutaro Tanaka, Daichi Nakamura, Ryo Okugawa +1
Point-gap topological phases of non-Hermitian systems exhibit exotic boundary states that have no counterparts in Hermitian systems. Here, we develop classification of second-order…