22 citations · 67 across the 12 of their papers we have counts for
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cond-mat.mes-hall2025★ 11 cited
Hopf Bifurcation of Nonlinear Non-Hermitian Skin Effect
Kohei Kawabata, Daichi Nakamura
The non-Hermitian skin effect, nonreciprocity-induced anomalous localization of an extensive number of eigenstates, represents a hallmark of non-Hermitian topological systems with…
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-hall2025★ 2 cited
Non-Hermitian Hopf insulators
Daichi Nakamura, Kohei Kawabata
Hopf insulators represent a unique class of topological insulators that exist exclusively in two-band systems and are inherently unstable upon the inclusion of additional bands. Me…