95 citations · 199 across the 4 of their papers we have counts for
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cond-mat.mes-hall2020★ 72 cited
Anomalous topological edge states in non-Hermitian piezophononic media
Penglin Gao, Morten Willatzen, Johan Christensen
The bulk-boundary or bulk-edge correspondence is a principle relating surface confined states to the topological classification of the bulk. By combining non-Hermitian ingredients…
cond-mat.mes-hall2020★ 1 cited
Topological sound pumping of zero-dimensional bound states
Penglin Gao, Johan Christensen
Topological phases have spurred unprecedented abilities for sound, light and matter engineering and recent progress has shown how waves not only confine at the interfaces between t…