Gamow states expansion methods for mean-field and beyond(YITP Workshop on New Developments in Nuclear Self-Consistent Mean-Field Theories (MF05))

DOI Web Site
  • Michel N.
    Department of Physics and Astronomy, University of Tennessee:Physics Division, Oak Ridge National Laboratory:Joint Institute for Heavy-Ion Research
  • Nazarewicz W.
    Department of Physics and Astronomy, University of Tennessee:Physics Division, Oak Ridge National Laboratory:Institute of Theoretical Physics, Warsaw University
  • Pioszajczak M.
    Grand Accelerateur National d'Ions Lourds (GANIL), CEA DSM-CNRS IN2P3

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  • Gamow states expansion methods for mean-field and beyond

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Gamow states expansions have become a tool of choice to describe nuclei close to drip lines, as they properly incorporate continuum effects already on the level of single-particle basis. For example, resonant expansions have been used with RPA, HF, HF+BCS approaches and in the shell model within the traditional core/valence space framework. However, a resonant HFB theory still remains to be formulated, as well as a no-core shell model for nuclear resonant states. In this paper, we discuss the Gamow-Hartree-Fock-Bogoliubov (GHFB) problem with a positive chemical potential. It will be shown that a modification of both standard HF/HFB theories and underlying interactions is necessary to be able to perform calculations for unbound nuclei in GHFB and eventually Gamow QRPA (GQRPA).

収録刊行物

  • 素粒子論研究

    素粒子論研究 112 (2), B32-B34, 2005

    素粒子論グループ 素粒子論研究 編集部

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