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Control and Imaging of interfering wave packets in dissociating I2 molecules

Abstract : Dissociation of iodine molecules by two phase-locked 110 femtosecond laser pulses creates a wave packet in the repulsive part of the B state. The time-dependent density functions for the internuclear position, |(R,t)|2, and for the internuclear velocity, |(vR,t)|2, of the wave packet are measured by ionization with a delayed, intense 20 fs nonresonant laser pulse. The pronounced interference pattern, observed in both |(R)|2 and |(vR)|2, is controlled by the time separation of the two pump pulses. The experimentally determined internuclear position and velocity distributions are in very good agreement with calculated results for |(R)|2 and |(vR)|2 obtained by numerical wave packet propagation.
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https://hal.archives-ouvertes.fr/hal-00018246
Contributor : Noëlle Gohier <>
Submitted on : Tuesday, January 31, 2006 - 10:25:20 AM
Last modification on : Sunday, December 9, 2018 - 1:24:54 AM

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C. Petersen, Emmanuel Peronne, J. Thøgersen, H. Stapelfeldt, M. Machholm. Control and Imaging of interfering wave packets in dissociating I2 molecules. Physical Review A, American Physical Society, 2004, 70, pp.033404. ⟨10.1103/PhysRevA.70.033404⟩. ⟨hal-00018246⟩

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