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quant-ph2024
Detecting the Chern number via quench dynamics in two independent chains
D. K. He, Y. B. Shi, Z. Song
The Chern number, as a topological invariant, characterizes the topological features of a 2D system and can be experimentally detected through Hall conductivity. In this work, we i…
quant-ph2024★ 6 cited
Hidden exceptional point, localization-delocalization phase transition in Hermitian bosonic Kitaev model
D. K. He, Z. Song
Exceptional points (EPs), a unique feature of non-Hermitian systems, represent degeneracies in non-Hermitian operators that likely do not occur in Hermitian systems. Nevertheless,…