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cond-mat.mes-hall2021★ 91 cited
Non-trivial point-gap topology and non-Hermitian skin effect in photonic crystals
Janet Zhong, Kai Wang, Yubin Park +4
We show that two-dimensional non-Hermitian photonic crystals made of lossy material can exhibit non-trivial point gap topology in terms of topological winding in its complex freque…
cond-mat.mes-hall2019
Higher-order topological insulators in synthetic dimensions
Avik Dutt, Momchil Minkov, Shanhui Fan
Conventional topological insulators support boundary states that have one dimension lower than the bulk system that hosts them, and these states are topologically protected due to…