Application of the non-hermitean effective Hamiltonian method to metastable van der Waals complexes

Alexei A. Buchachenko, T. Yu Mikhailova, V. I. Pupyshev, N. F. Stepanov

Research output: Contribution to journalConference articlepeer-review

Abstract

The model based on the effective non-hermitean Hamiltonian is implemented for studying spectrum of the vibrational metastable states of the Ne...I 2 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.

Original languageEnglish
Pages (from-to)57-61
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3090
DOIs
Publication statusPublished - 1997
Externally publishedYes
Event12th Symposium and School on High-Resolution Molecular Spectroscopy - St. Petersburg, Russian Federation
Duration: 1 Jul 19961 Jul 1996

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