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physics.optics2026
Symmetry-breaking bifurcation of coupled topological edge states
Rujiang Li, Letian Xu, Muhammad Imran +3
We propose that the symmetry-breaking bifurcation of coupled topological edge states (CTESs) can be used as a general principle for achieving spontaneous symmetry breaking (SSB) in…
physics.optics2026★ 2 cited
Nonlinear quadrupole topological insulators
Rujiang Li, Wencai Wang, Yongtao Jia +3
Higher-order topological insulators (HOTIs) represent a family of topological phases that go beyond the conventional bulkboundary correspondence. d-dimensional n-th order HOTIs mai…