Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12747
Title: Rank one perturbations supported by hybrid geometries and their deformations
Authors: Erman, Fatih
Seymen, Sema
Turgut, O. Teoman
Keywords: Scattering theory
Bound states
Operator theory
Publisher: American Institute of Physics
Abstract: We study the hybrid type of rank one perturbations in ℝ2 and ℝ3, where the perturbation supported by a circle/sphere is considered together with the delta potential supported by a point outside of the circle/sphere. The construction of a self-adjoint Hamiltonian operator associated with formal expressions for the rank one perturbation supported by a circle and by a point is explicitly given. Bound state energies and scattering properties for each problem are also studied. Finally, we consider the rank one perturbation supported by a deformed circle/sphere and show that the first order change in bound state energies under small deformations of the circle/sphere has a simple geometric interpretation.
URI: https://doi.org/10.1063/5.0090401
https://hdl.handle.net/11147/12747
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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