Eigenvalue problem in two dimensions for an irregular boundary: Neumann condition
نویسندگان
چکیده
منابع مشابه
THE EUROPEAN PHYSICAL JOURNAL PLUS Eigenvalue problem in two dimensions for an irregular boundary: Neumann condition
We formulate a systematic elegant perturbative scheme for determining the eigenvalues of the Helmholtz equation (∇ + k)ψ = 0 in two dimensions when the normal derivative of ψ vanishes on an irregular closed curve. The unique feature of this method, unlike other perturbation schemes, is that it does not require a separate formalism to treat degeneracies. Degenerate states are handled equally ele...
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ژورنال
عنوان ژورنال: The European Physical Journal Plus
سال: 2011
ISSN: 2190-5444
DOI: 10.1140/epjp/i2011-11062-4