论文标题

有吸引力的磁边的有效操作员

Effective operators on an attractive magnetic edge

论文作者

Fournais, Soeren, Helffer, Bernard, Kachmar, Ayman, Raymond, Nicolas

论文摘要

在二维中考虑了具有不连续磁场的半经典拉普拉斯。磁场正恰好有两个不同的值变化,并且沿着光滑的封闭曲线不连续,从而产生了吸引人的磁边。通过涉及微局部空间空间定位的维数减小,建立了各种精确的光谱渐近学,从而可以应对该场的不连续性。

The semiclassical Laplacian with discontinuous magnetic field is considered in two dimensions. The magnetic field is sign changing with exactly two distinct values and is discontinuous along a smooth closed curve, thereby producing an attractive magnetic edge. Various accurate spectral asymptotics are established by means of a dimensional reduction involving a microlocal phase space localization allowing to deal with the discontinuity of the field.

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