Phys. Rev. A 71, 011402(R) (2005) [4 pages]

Exploration of Coulomb explosion dynamics through excited vibrational states of molecules

Abstract

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Zhongyuan Zhou^* and Shih-I Chu^†
Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, USA

Received 30 August 2004; revised 5 October 2004; published 31 January 2005

The fragmentation dynamics of H₂⁺ molecular ions in intense laser fields is investigated by means of a high-precision ab initio method beyond the Born-Oppenheimer approximation. Special attention is paid to the detailed Coulomb explosion (CE) mechanisms and dynamics through excited vibrational states of H₂⁺. A kinetic-energy release (KER) spectrum and CE phenomenon is predicted, in which the kinetic-energy distribution of H⁺ ions exhibits a series of peaks separated by one photon energy. A proposed scheme for observation of the KER spectrum and CE dynamics is presented.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.71.011402

DOI:

10.1103/PhysRevA.71.011402

PACS:

42.50.Hz, 33.80.Rv, 34.50.Gb

^*Electronic address: zyzhou@ku.edu

^†Electronic address: sichu@ku.edu

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Phys. Rev. A 71, 011402(R) (2005) [4 pages]

Exploration of Coulomb explosion dynamics through excited vibrational states of molecules