| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8201896 | Annals of Physics | 2015 | 7 Pages |
Abstract
We discuss three Hamiltonians, each with a central-field part H0 and a PT-symmetric perturbation igz. When H0 is the isotropic Harmonic oscillator the spectrum is real for all g because H is isospectral to H0+g2/2. When H0 is the Hydrogen atom then infinitely many eigenvalues are complex for all g. If the potential in H0 is linear in the radial variable r then the spectrum of H exhibits real eigenvalues for 0
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Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Francisco M. Fernández, Javier Garcia,