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Real-time edge dynamics of non-Hermitian lattices

Published in arXiv preprint, 2025

We derived saddle-point asymptotic formulae for two-point Green’s functions on non-Hermitian lattices. This can characterize the dynamics of non-Hermitian skin modes, wave packets in dissipative media, and spectral densities of quasi-particles with finite lifetime.

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talks

Edge effective theory of non-Hermitian lattices

Published:

As an informal seminar during a conference at YITP, I introduced my recent work with Prof. Chen Fang, in which we provided a theory to characterize the Green’s function on the edge of non-Hermitian lattices that experience the non-Hermitian skin effect. These results will appear in a preprint soon.

teaching

Electromagnetism, Spring 2023 @ PKU

Undergraduate course, Peking University, 2023

Teaching assistant for the undergraduate course “Electromagnetism”, semster Spring 23, with Prof. Shina Tan. Awarded “outstanding TA”.