Spectral Analysis of a Two Body Problem with Zero Range Perturbation

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We consider a class of singular, zero-range perturbations of the Hamiltonian of a quantum system composed by a test particle and a harmonic oscillators in dimension one, two and three and we study its spectrum. In facts we give a detailed characterization of point spectrum and its asymptotic behavior with respect to the parameters entering the Hamiltonian. We also partially describe the positive spectrum and scattering properties of the Hamiltonian.
Version submitted for publication, AMStex, 22 pages

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Mathematical Physics, 81Q10, 81U05

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http://salesiana.dossiersoluciones.com/handle/123456789/163640

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.0371
 http://arxiv.org/abs/0708.0371
 J. Funct. Anal. 255 (2008), 502-531
 doi:10.1016/j.jfa.2008.04.005

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arXiv