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cond-mat.mes-hall2024
Observation of exceptional line semimetal in three-dimensional non-Hermitian phononic crystals
Yejian Hu, Jien Wu, Peidong Ye +6
Non-Hermitian topological phases, which exhibit unique features such as skin effect and exceptional points originated from nontrivial band topologies in complex plane, have attract…
cond-mat.mes-hall2024
Valley edge states as bound states in the continuum
Shunda Yin, Liping Ye, Hailong He +5
Bound states in the continuum (BICs) are spatially localized states with energy embedded in the continuum spectrum of extended states. The combination of BICs physics and nontrivia…
cond-mat.mes-hall2024
Observation of Higher Order Nodal Line Semimetal in Phononic Crystals
Qiyun Ma, Zhenhang Pu, Liping Ye +6
Higher-order topological insulators and semimetals, which generalize the conventional bulk-boundary correspondence, have attracted extensive research interest. Among them, higher-o…