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Self-Adjointness of Dirac Operators with Infinite Mass Boundary Conditions in Sectors

机译:具有扇区无限大众边界条件的DIRAC运营商的自伴害

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This paper deals with the study of the two-dimensional Dirac operator with infinite mass boundary conditions in sectors. We investigate the question of self-adjointness depending on the aperture of the sector: when the sector is convex it is self-adjoint on a usual Sobolev space, whereas when the sector is non-convex it has a family of self-adjoint extensions parametrized by a complex number of the unit circle. As a by-product of the analysis, we are able to give self-adjointness results on polygonal domains. We also discuss the question of distinguished self-adjoint extensions and study basic spectral properties of the Dirac operator with a mass term in the sector.
机译:本文涉及二维DIAC算子在扇区中具有无限大众边界条件的研究。 我们调查自伴随的问题,具体取决于该部门的孔径:当扇区凸面时,它是一种通常的SoboLev空间的自伴随,而当扇区是非凸面的时,它有一个自伴随的参数伴随着一个自伴随的延伸 通过一个复杂的单位圈数。 作为分析的副产物,我们能够对多边形域提供自伴随结果。 我们还讨论了具有扇区中的大规模术语的Dirac操作员的基本谱特性的问题。

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