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Resonant branch cuts in a generalized Friedrichs model (1996)

Rudin, G. E. ; Gadella, M.

New York, NY : Wiley-Blackwell

International Journal of Quantum Chemistry 58 (1996), S. 441-451

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ISSN: 0020-7608

Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: We study an example of a generalized Friedrichs model, in which a continuous-continuous coupling produces a pair of resonances as branch cuts of the analytic continuation of the reduced resolvent of the perturbed Hamiltonian to the second sheet of the Riemann surface associated to a transformation of the type w = z + α √z. To define the perturbation, we use the theory of self-adjoint extensions of symmetric operators proposed by the group of St. Petersburg. © 1996 John Wiley & Sons, Inc.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

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