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Proceedings Paper

Application of the non-Hermitean effective Hamiltonian method to metastable van der Waals complexes
Author(s): Alexei A. Buchachenko; T. Yu. Mikhailova; V. I. Pupyshev; N. F. Stepanov
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Paper Abstract

The model based on the effective non-hermitean Hamiltonian is implemented for studying spectrum of the vibrational metastable states of the Ne. . .I2 van der Waals complex. The non-trivial behavior of the resonance positions at high vibrational excitations of the I2 fragment is explained by the intramolecular vibrational energy redistribution through intermediate resonance states. The interference effects in the resonance spectrum are elucidated by a comparative analysis of models with different choices of the active space in the Feshbach partitioning technique. It is shown that the real part of the optical potential (which is usually neglected) significantly affects positions of metastable states.

Paper Details

Date Published: 3 March 1997
PDF: 5 pages
Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); doi: 10.1117/12.267801
Show Author Affiliations
Alexei A. Buchachenko, Moscow State Univ. (Russia)
T. Yu. Mikhailova, Moscow State Univ. (Russia)
V. I. Pupyshev, Moscow State Univ. (Russia)
N. F. Stepanov, Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 3090:
12th Symposium and School on High-Resolution Molecular Spectroscopy
Leonid N. Sinitsa; Yurii N. Ponomarev; Valery I. Perevalov, Editor(s)

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