Resonances Induced by Broken Symmetry in a System with a Singular Potential |
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| Authors: | Sylwia Kondej |
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| Affiliation: | 1. Institute of Physics, University of Zielona Góra, ul. Szafrana 4a, 65246, Zielona Góra, Poland
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| Abstract: | We study a three-dimensional nonrelativistic quantum system with a delta-type potential. The support of this potential is determined by a circle and straight line in ${mathbb{R}^3}$ . We show that a special symmetry of our system induces embedded eigenvalues, and breaking this symmetry leads to resonances. |
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