Multiple traversals of a conical intersection: Electronic quenching in Na* + H2

M. Ben-Nun*, T. J. Martínez, R. D. Levine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The conical intersection in the collision of a Na(3p2P) atom with H2 occurs at large H-H distances. Time dependent quantal computations exhibit many sequential non-adiabatic couplings, each of which is localized in time, where the quenching probability per traversal is small. During the collision, the population of the ground state increases almost in a random walk fashion until the partners recede after many H2 vibrational periods. Changing the masses suggests that other systems can also exhibit such a snarled quenching process which cannot be described as a single non-adiabatic event per collision.

Original languageEnglish
Pages (from-to)319-326
Number of pages8
JournalChemical Physics Letters
Volume270
Issue number3-4
DOIs
StatePublished - 23 May 1997

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