Abstract
In this paper, we derive sufficient conditions for the existence of an eigenvalue for the Laplace and the Schrodinger operators with transversal potential for homogeneous Dirichlet boundary conditions in a tube, i.e., in a curved and twisted infinite cylinder. For tubes with small curvature and small internal torsion, we derive an asymptotic formula for the eigenvalue of the problem. We show that, under certain relations between the curvature and the internal torsion of the tube, the above operators possess no discrete spectrum.
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Translated from Matematicheskie Zametki, vol. 77, no. 5, 2005, pp. 656–664.
Original Russian Text Copyright ©2005 by V. V. Grushin.
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Grushin, V.V. Asymptotic Behavior of the Eigenvalues of the Schrodinger Operator with Transversal Potential in a Weakly Curved Infinite Cylinder. Math Notes 77, 606–613 (2005). https://doi.org/10.1007/s11006-005-0062-7
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DOI: https://doi.org/10.1007/s11006-005-0062-7