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Self-consistent calculations within the Green’s function method including particle-phonon coupling and the single-particle continuum

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Abstract

The Green’s function method in the Quasiparticle Time Blocking Approximation is applied to nuclear excitations in 132Sn and 208Pb. The calculations are performed self-consistently using a Skyrme interaction. The method combines the conventional RPA with an exact single-particle continuum treatment and considers in a consistent way the particle-phonon coupling. We reproduce not only the experimental values of low-and high-lying collective states but we also obtain fair agreement with the data of non-collective low-lying states that are strongly influenced by the particle-phonon coupling.

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Authors and Affiliations

  1. Institut für Kernphysik, Forschungszentrum Jülich, 52425, Jülich, Germany

    N. Lyutorovich, J. Speth, A. Avdeenkov, F. Grümmer & S. Krewald

  2. Institute of Physics S. Petersburg University, S. Petersburg, Russia

    N. Lyutorovich & V. I. Tselyaev

  3. Institute of Nuclear Physics, PAN, PL-31-342, Cracow, Poland

    J. Speth

  4. Institute of Physics and Power Engineering, 249020, Obninsk, Russia

    A. Avdeenkov & S. Kamerdzhiev

Authors
  1. N. Lyutorovich
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  2. J. Speth
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  3. A. Avdeenkov
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  4. F. Grümmer
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  5. S. Kamerdzhiev
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  6. S. Krewald
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  7. V. I. Tselyaev
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Corresponding author

Correspondence to J. Speth.

Additional information

Communicated by J. Wambach

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Lyutorovich, N., Speth, J., Avdeenkov, A. et al. Self-consistent calculations within the Green’s function method including particle-phonon coupling and the single-particle continuum. Eur. Phys. J. A 37, 381–386 (2008). https://doi.org/10.1140/epja/i2008-10638-x

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  • DOI: https://doi.org/10.1140/epja/i2008-10638-x

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