Abstract
In the framework of perturbation theory the reality of the perturbed eigenvalues of a class of symmetric Hamiltonians is proved using stability techniques. We apply this method to symmetric unperturbed Hamiltonians perturbed by symmetric additional interactions. © 2006 IOP Publishing Ltd.
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CITATION STYLE
APA
Caliceti, E., Cannata, F., & Graffi, S. (2006). Perturbation theory of PT symmetric Hamiltonians. In Journal of Physics A: Mathematical and General (Vol. 39, pp. 10019–10027). https://doi.org/10.1088/0305-4470/39/32/S06
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