English

Quantum Birkhoff Normal Form in the $\sigma$-Bruno-R\"{u}ssmann non-resonant condition

Mathematical Physics 2026-01-12 v2 math.MP

Abstract

The aim of this paper is to construct a Gevrey quantum Birkhoff normal form for the hh-differential operator Ph(t),P_{h}(t), where t(12,12) t\in(-\frac{1}{2},\frac{1}{2}), in the neighborhood of the union Λ\Lambda of KAM tori. This construction commences from an appropriate Birkhoff normal form of HH around Λ\Lambda and proceeds under the σ\sigma-Bruno-R\"{u}ssmann condition with σ>1\sigma>1.

Keywords

Cite

@article{arxiv.2501.05041,
  title  = {Quantum Birkhoff Normal Form in the $\sigma$-Bruno-R\"{u}ssmann non-resonant condition},
  author = {Huanhuan Yuan and Yixian Gao and Yong Li},
  journal= {arXiv preprint arXiv:2501.05041},
  year   = {2026}
}