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arXiv math/0603118math.APmath.SP
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强磁场作用下二维薛定谔算子的夏普谱渐近性。关于忘记通用情况的说明

Sharp Spectral Asymptotics for 2-dimensional Schrödinger operator with a strong magnetic field. Note about forgotten generic case

Victor Ivrii

摘要:

本文考虑了$d=2$维的磁薛定谔算子,假定系数是光滑的,磁场是非简并的。然后将\cite{Ivr1}中的余项估计$O(μ^{-1}h^{-1}+1)$从$V/F$无平稳点的情形推广到有非退化平稳点的情形。如果它们中的一些是鞍和$μ^3h\ge 2$,则渐近包含幅度$μ^{-1}h^{-1}|\log μ^3 h|$的校正项。

英文摘要:

I consider magnetic Schrödinger operator in dimension $d=2$ assuming that coefficients are smooth and magnetic field is non-degenerating. Then I extend the remainder estimate $O(μ^{-1}h^{-1}+1)$ derived in \cite{Ivr1} for the case when $V/F$ has no stationary points to the case when it has non-degenerating stationary points. If some of them are saddles and $μ^3h\ge 2$ then asymptotics contains correction terms of magnitude $μ^{-1}h^{-1}|\log μ^3 h|$.

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