Author

Zhenyu Xiao

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Preprint Oct 2026

Anyon Chern bands of opposite sign and reversed drift

The elementary charged excitations of fractional quantum Hall states are anyons. Without continuous translation symmetry, they acquire a dispersion and richer dynamics. We study the Laughlin quasihole at filling $1/3$ in a periodically modulated magnetic field, a common model of fractional Chern insulators in two-dimen...

Zhen-Yu Xiao, Min-Xuan Wang, Shinsei Ryu · 0 citations

Preprint Aug 2026

Exact joint eigenvalue densities of non-Hermitian random matrices are Calogero scattering states

Determining exact joint eigenvalue densities is central to random matrix theory. We solve this long-standing problem for non-Hermitian matrices with transposition symmetry (complex symmetric and complex self-dual) at arbitrary matrix size. Up to a Vandermonde factor, they are scattering-state wave functions of the Calo...

Zhenyu Xiao, Ze Chen, Shinsei Ryu · 4 citations · ⚡2