31 citations · 45 across the 7 of their papers we have counts for
6 papers · 1 filter
Topological-to-Topological Transition Induced by On-Site Nonlinearity in a One-Dimensional Topological Insulator
Kazuki Sone, Yasuhiro Hatsugai
Recent studies have extended the notion of band topology to nonlinear systems by defining nonlinear counterparts of eigenvalue problems. They have found the nonlinearity-induced to…
Bulk-Boundary Correspondence in Ergodic and Nonergodic One-Dimensional Stochastic Processes
Taro Sawada, Kazuki Sone, Kazuki Yokomizo +2
Bulk-boundary correspondence is a fundamental principle in topological physics. In recent years, there have been considerable efforts in extending the idea of geometry and topology…
Transition from topological to chaos in the nonlinear Su-Schrieffer-Heeger model
Kazuki Sone, Motohiko Ezawa, Zongping Gong +3
Recent studies on topological materials are expanding into the nonlinear regime, while the central principle, namely the bulk-edge correspondence, is yet to be elucidated in the st…
Nonlinearity-induced topological phase transition characterized by the nonlinear Chern number
Kazuki Sone, Motohiko Ezawa, Yuto Ashida +2
As first demonstrated by the characterization of the quantum Hall effect by the Chern number, topology provides a guiding principle to realize robust properties of condensed matter…
Exceptional mode topological surface laser
Kazuki Sone, Yuto Ashida, Takahiro Sagawa
Band topology has been studied as a design principle of realizing robust boundary modes. Here, by exploring non-Hermitian topology, we propose a three-dimensional topological laser…
Exceptional non-Hermitian topological edge mode and its application to active matter
Kazuki Sone, Yuto Ashida, Takahiro Sagawa
Topological materials exhibit edge-localized scattering-free modes protected by their nontrivial bulk topology through the bulk-edge correspondence in Hermitian systems. While topo…