The Role of Mass in the Carrier-Envelope Phase Effect for H2+ Dissociation

Jianjun Hua, Brett Esry
James R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA

The field-aligned model in the Born-Oppenheimer representation is adopted to study carrier-envelope phase (CEP) effects in the dissociation of H2+ and its isotope D2+ in an intense laser field. We find that H2+ shows larger CEP effects under the same laser conditions. Specifically, the CEP effects appear as differences in each dissociation channel p+H and H+p, i.e. p going up or down, respectively, relative to the laser polarization direction. We will present results for a range of laser intensities, and we will also present an interpretation based on the recently developed theory in Ref. [1].

[1] V.Roudnev and B.D.Esry, Phys. Rev. Lett. 99, 220406 (2007)

This work was supported by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy, and by the National Science Foundation.

Presented at DAMOP, May 2008, in State College, PA.


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