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  • 21.65.+f  (2)
  • 36.40.+d  (2)
  • 21.10.−k  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Generalized nonlinear couplings in the relativistic mean-field model (1992)
    Springer
    The European physical journal 342 (1992), S. 379-386 
    Details
    ISSN: 1434-601X
    Keywords: 21.30.+y ; 21.60.Jz ; 21.65.+f
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Most general forms of the nonlinear selfcoupling of the scalar field in the relativistic mean-field model are discussed, the frequently used form where the scalar mass is field-dependent, and an alternative where the scalar coupling constant becomes field-dependent. Both models are shown to be fully equivalent in homogenous systems. They are practically equivalent in finite nuclei. Parametrizations in the nonlinear scalar coupling model which are constructed to avoid the nucleon-antinucleon instability at large densities fail to give a good description of common ground-state properties of finite nculei.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294947
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The relativistic mean-field model at large densities (1988)
    Springer
    The European physical journal 331 (1988), S. 367-368 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 21.60.Jz ; 21.65.+f
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The extrapolation properties of the relativistic mean-field model are investigated in nuclear matter. The results of a recent relativistic Bethe-Brueckner-Gatdstone calculation are taken as ‘data”. Fits in a window of normal nuclear densities are extrapolated to large densities and compared with the ‘data’. We find large discrepancies which hint at an insufficiency of the model in its present parametrisation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01355612
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mean field model for relativistic heavy ion collisions (1987)
    Springer
    The European physical journal 326 (1987), S. 269-277 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Jz ; 21.30. + y ; 21.10.−k
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We take up a relativistic mean-field model consisting out of nucleons coupled to a scalar and a vector meson. We solve the corresponding time-dependent mean-field equations on a three-dimensional grid. Results for16O +16O scattering at various energies and various impact parameters show significant differences with conventional TDHF calculations. We see sidewards collective flow similar as in fluid dynamics and in experiment. We observe complete spallation and remarked oscillations of the meson fields.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297581
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    RPA in nuclei and metal clusters (1994)
    Springer
    The European physical journal 349 (1994), S. 219-222 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Jz ; 36.40.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We discuss and compare the gross features of resonance excitations in nuclei and metal clusters. We point out the phenomenon of ”jellium scaling” which means that different materials for metal clusters all give similar resonance spectra and we discuss the various effects which determine the exact position of the resonance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01288962
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The structure-averaged jellium model for metal clusters (1994)
    Springer
    The European physical journal 32 (1994), S. 125-136 
    Details
    ISSN: 1434-6079
    Keywords: 31.20.Sy ; 31.20.Rx ; 36.40.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present an extension of the jellium model for alkali clusters which allows a selfconsistent determination of the jellium background in addition to the Kohn-Sham solution of the electron dynamics. It includes the volume and the surface energy of the ionic distribution. We discuss applications to the shape of clusters and to the position and width of the plasmon resonances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01425932
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    Paper (German National Licenses)
    Fulltext
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