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Observation of temporal topological boundary states of light in a momentum bandgap [PDF]

open access: yesarXiv
Topological phases have prevailed across diverse disciplines, spanning electronics, photonics, and acoustics. Hitherto, the understanding of these phases has centred on energy (frequency) bandstructures, showcasing topological boundary states at spatial interfaces.
arxiv  

Boundary dynamics and topology change in quantum mechanics [PDF]

open access: green, 2015
Juan Manuel Pérez-Pardo   +2 more
openalex   +1 more source

Topological defects of 2+1D systems from line excitations in 3+1D bulk [PDF]

open access: yesarXiv
The bulk-boundary correspondence of topological phases suggests strong connections between the topological features in a d+1-dimensional bulk and the potentially gapless theory on the (d-1)+1-dimensional boundary. In 2+1D topological phases, a direct correspondence can exist between anyonic excitations in the bulk and the topological point defects ...
arxiv  

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