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A remark on the instability of eigenvalues of the Helmholtz equation

M.D. Malykh

Moscow University Physics Bulletin 2002. 57. N 6. P. 33

  • Article
Annotation

The filled waveguide spectral problem eigenvalues embedded in the continuous spectrum are considered. An example of waveguide filling perturbation under which the embedded eigenvalues of the filled waveguide spectral problem disappear is given.

Authors
M.D. Malykh
Department of Mathematics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Issue 6, 2002

Moscow University Physics Bulletin

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