Abstract
A model Laplacian with Neumann boundary conditions (Neumann problem) in a system of two cavities joined by a thin channel is investigated. An expression is obtained for the resolvent and also the first terms in the asymptotic expansions of the eigenvalues and eigenfunctions with respect to the small coupling parameter.
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Additional information
State University, St. Petersburg. Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 100, No. 3, pp. 354–366, August, 1994.
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Kiselev, A.A., Pavlov, B.S. Eigenfrequencies and eigenfunctions of the Laplacian for Neumann boundary conditions in a system of two coupled cavities. Theor Math Phys 100, 1065–1074 (1994). https://doi.org/10.1007/BF01018571
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DOI: https://doi.org/10.1007/BF01018571