Asymptotics of the spectrum and eigenfunctions of the magnetic induction operator on a compact two-dimensional surface of revolution

被引:0
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作者
A. I. Esina
A. I. Shafarevich
机构
[1] Russian Academy of Sciences,Ishlinsky Institute for Problems of Mechanics
[2] Moscow Institute of Physics and Technology,undefined
[3] Moscow State University,undefined
来源
Mathematical Notes | 2014年 / 95卷
关键词
magnetic induction operator; two-dimensional surface of revolution; spectral graph; Stokes line; Reynolds number; quantization conditions; turning point; WKB asymptotics; monodromy matrix;
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摘要
Magnetic fields in conducting liquids (in particular, magnetic fields of galaxies, stars, and planets) are described by the magnetic induction operator. In this paper, we study the spectrum and eigenfunctions of this operator on a compact two-dimensional surface of revolution. For large magnetic Reynolds numbers, the asymptotics of the spectrum is studied; equations defining the eigenvalues (quantization conditions) are obtained; and examples of spectral graphs near which these points are located are given. The spatial structure of the eigenfunctions is studied.
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页码:374 / 387
页数:13
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