Phys. Rev. A 75, 062701 (2007) [6 pages]Single-photon double ionization of negative hydrogen ions in the presence of a dc electric fieldReceived 8 March 2007; revised 29 April 2007; published 5 June 2007 We present an accurate numerical study of the influence an the external dc electric field on the process of single-photon double ionization of the negative hydrogen ion at photon energies from the threshold to 30 eV. We demonstrate that the presence of an external dc electric field of the order of 0.005 a.u. may considerably alter the cross section of the process. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.75.062701
DOI:
10.1103/PhysRevA.75.062701
PACS:
32.80.Fb, 31.25.−v
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