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Coulomb Green’s functions in the problem of photodetachment of the negatively charged hydrogen ion

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Abstract

We propose a new approach to calculate the photodetachment cross section of the atom using the Green’s function for summation over the final states of the system. In the present work, we approbate this approach for calculation of the photodetachment cross section for the two electron atomic system, namely, the negatively charged hydrogen ion H− using the two-electron Coulomb Green’s function. The analytical form of this function is obtained by convolution of the one-particle Coulomb Green’s functions in the framework of the regular perturbation theory. Our results are in a good agreement with available experimental data.

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Authors and Affiliations

  1. Atomic Molecular and Optical Physics Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam

    Ilya D. Feranchuk

  2. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam

    Ilya D. Feranchuk

  3. Department of Physics, Belarusian State University, 220030, Minsk, Belarus

    Dung V. Lu

  4. Department of Physics, University of Education, The University of Da Nang, 550000, Da Nang, Vietnam

    Dung V. Lu & Nguyen V. Hieu

  5. Institute of Research and Development, Duy Tan University, 550000, Da Nang, Vietnam

    Nguyen N. Hieu

Authors
  1. Ilya D. Feranchuk
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  2. Dung V. Lu
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  3. Nguyen V. Hieu
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  4. Nguyen N. Hieu
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Corresponding authors

Correspondence to Ilya D. Feranchuk, Dung V. Lu, Nguyen V. Hieu or Nguyen N. Hieu.

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Feranchuk, I.D., Lu, D.V., Hieu, N.V. et al. Coulomb Green’s functions in the problem of photodetachment of the negatively charged hydrogen ion. Eur. Phys. J. D 73, 110 (2019). https://doi.org/10.1140/epjd/e2019-90440-6

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  • DOI: https://doi.org/10.1140/epjd/e2019-90440-6

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