Following dynamic nuclear wave packets in N2,O2, and CO with few-cycle infrared pulses

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Title Following dynamic nuclear wave packets in N2,O2, and CO with few-cycle infrared pulses
Author De, S.; Magrakvelidze, M.; Bocharova, I. A.; Ray, D.; Cao, W.; Znakovskaya, I.; Li, H.; Wang, Z.; Laurent, G.; Thumm, U.; Kling, M. F.; Litvinyuk, Igor; Ben-Itzhak, I.; Cocke, C. L.
Journal Name Physical Review A
Year Published 2011
Place of publication United States
Publisher American Physical Society
Abstract We study the evolution of nuclear wave packets launched in molecular nitrogen, oxygen, and carbon monoxide by intense 8-fs infrared pulses. We use velocity map imaging to measure the momentum of the ion fragments when these wave packets are interrogated by a second such pulse after a variable time delay. Both quasibound and dissociative wave packets are observed. For the former, measurements of bound-state oscillations are used to identify the participating states and, in some cases, extract properties of the relevant potential-energy surfaces. Vibrational structure is resolved in both energy and oscillation frequencies for the cations of oxygen and carbon monoxide, displaying the same quantum wave-packet motion in both energy and time domains. In addition, vibrational structure is seen in the dication of carbon monoxide in a situation where the energy resolution by itself is inadequate to resolve the structure.
Peer Reviewed Yes
Published Yes
Alternative URI
Volume 84
Issue Number 4
Page from 043410-1
Page to 043410-13
ISSN 1050-2947
Date Accessioned 2012-03-01; 2012-03-09T05:53:02Z
Research Centre Centre for Quantum Dynamics
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Atomic and Molecular Physics
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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