费米黄金规则常数消失时的亚稳态
数学物理
2015-07-23 v2 math.MP
摘要
本文研究了当费米黄金规则常数消失时,通过嵌入非简并本征值的微扰而出现的共振。在未微扰哈密顿量预解式的适当光滑性条件下,证明了一阶Rayleigh-Schrödinger展开存在。利用该截断展开构造了相应的亚稳态。我们证明其指数衰减律的衰减率和误差项均为ε^4量级,其中ε是微扰强度。
引用
@article{arxiv.1311.7502,
title = {Metastable states when the Fermi Golden Rule constant vanishes},
author = {Horia D. Cornean and Arne Jensen and Gheorghe Nenciu},
journal= {arXiv preprint arXiv:1311.7502},
year = {2015}
}
备注
To appear in Commun. Math. Phys