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math-ph2022★ 3 cited
Computation of the eigenvalues for the angular and Coulomb spheroidal wave equation
Harald Schmid
In this paper we study the eigenvalues of the angular spheroidal wave equation and its generalization, the Coulomb spheroidal wave equation. An associated differential system and a…
math-ph2004★ 38 cited
On the Eigenvalues of the Chandrasekhar-Page Angular Equation
Davide Batic, Harald Schmid, Monika Winklmeier
In this paper we study for a given azimuthal quantum number the eigenvalues of the Chandrasekhar-Page angular equation with respect to the parameters and , where…
math-ph2002★ 26 cited
Bound State Solutions of the Dirac Equation in the Extreme Kerr Geometry
Harald Schmid
In this paper we consider bound state solutions, i.e., normalizable time-periodic solutions of the Dirac equation in the exterior region of an extreme Kerr black hole with mass …