Diffraction of large-number whispering gallery mode by boundary straightening with jump of curvature

Fuente: arXiv
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Autore principale: Zlobina, E. A.
Natura: Preprint
Pubblicazione: 2024
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author Zlobina, E. A.
author_facet Zlobina, E. A.
contents Diffraction of a high-frequency large-number whispering gallery mode is studied, which runs along a concave curve turning to a straight line. At the point of straitening, the curvature of the boundary suffers a jump. The parabolic equation method is developed in the problem, and asymptotic formulas are presented for all waves arising in the vicinity of the non-smoothness point of the boundary. The ``ray skeleton'' of the wavefield is investigated in detail.
format Preprint
id arxiv_https___arxiv_org_abs_2408_03824
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Diffraction of large-number whispering gallery mode by boundary straightening with jump of curvature
Zlobina, E. A.
Mathematical Physics
Diffraction of a high-frequency large-number whispering gallery mode is studied, which runs along a concave curve turning to a straight line. At the point of straitening, the curvature of the boundary suffers a jump. The parabolic equation method is developed in the problem, and asymptotic formulas are presented for all waves arising in the vicinity of the non-smoothness point of the boundary. The ``ray skeleton'' of the wavefield is investigated in detail.
title Diffraction of large-number whispering gallery mode by boundary straightening with jump of curvature
topic Mathematical Physics
url https://arxiv.org/abs/2408.03824