๐”– Bobbio Scriptorium
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On inductive posts with a capacitive gap in a waveguide

โœ Scribed by Groendijk, H. ;Versnel, W.

Publisher
Springer
Year
1969
Tongue
English
Weight
459 KB
Volume
21
Category
Article
ISSN
0003-6994

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๐Ÿ“œ SIMILAR VOLUMES

A gap in the essential spectrum of a cyl
A gap in the essential spectrum of a cylindrical waveguide with a periodic aperturbation of the surface
โœ Giuseppe Cardone; Sergey A. Nazarov; Carmen Perugia ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 254 KB

It is proved that small periodic singular perturbation of a cylindrical waveguide surface may open a gap in the essential spectrum of the Dirichlet problem for the Laplace operator. If the perturbation period is long and the caverns in the cylinder are small, the gap certainly opens.