English

Anyon-Induced Criticality and Dynamical Stability in Non-Hermitian Many-Body Systems

Quantum Physics 2026-03-19 v1

Abstract

We show that anyonic statistics fundamentally reshapes non-Hermitian many-body physics by intrinsically breaking pseudo-Hermiticity, leading to a unique real-complex spectral transition with characteristically dense states in ImEE. This anyon-induced transition occurs even when bosonic and pseudofermionic counterparts remain entirely real, revealing a form of non-Hermitian criticality driven purely by exchange statistics. The resulting spectrum exhibits enhanced gaps in ImEE that dynamically isolate dominant eigenstates, producing anomalously stable short-time quench dynamics for anyons. Our results identify anyonic statistics as an intrinsic mechanism for generating unconventional non-Hermitian critical behavior usually associated with highly non-local systems.

Keywords

Cite

@article{arxiv.2603.17494,
  title  = {Anyon-Induced Criticality and Dynamical Stability in Non-Hermitian Many-Body Systems},
  author = {Yi Qin and Yee Sin Ang and Linhu Li and Ching Hua Lee},
  journal= {arXiv preprint arXiv:2603.17494},
  year   = {2026}
}

Comments

19 pages, 12 figures