304 citations · 1.2k across the 27 of their papers we have counts for
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quant-ph2020★ 61 cited
Hunting for the non-Hermitian exceptional points with fidelity susceptibility
Yu-Chin Tzeng, Chia-Yi Ju, Guang-Yin Chen +1
The fidelity susceptibility has been used to detect quantum phase transitions in the Hermitian quantum many-body systems over a decade, where the fidelity susceptibility density ap…
physics.optics2020★ 58 cited
Vector exceptional points with strong superchiral fields
Tong Wu, Weixuan Zhang, Huizhen Zhang +12
Exceptional points(EPs), branch points of complex energy surfaces at which eigenvalues and eigenvectors coalesce, are ubiquitous in non-Hermitian systems. Many novel properties and…