The interference effect of laser-assisted bremsstrahlung emission in Coulomb fields of two nuclei

Ankang Li, Jiaxiang Wang, Na Ren, Pingxiao Wang, Wenjun Zhu, Xiaoya Li, Ross Hoehn, Sabre Kais

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Abstract

In this paper, the spontaneous bremsstrahlung emission from an electron scattered by two fixed nuclei in an intense laser field is investigated in detail based upon the Volkov state and the Dirac-Volkov propagator. It has been found that the fundamental harmonic spectrum from the electron radiation exhibits distinctive fringes, which is dependent not only upon the internucleus distance and orientation but also upon the initial energy of the electron and the laser intensity. By analyzing the differential cross section, we are able to explain these effects in terms of interference among the electron scattering by the nuclei. These results could have promising applications in probing the atomic or molecular dressed potentials in intense laser fields.

Original languageEnglish
Article number124904
JournalJournal of Applied Physics
Volume114
Issue number12
DOIs
Publication statusPublished - 17 Oct 2013

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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