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  • 1980-1984  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    On the nuclear curvature energy (1983)
    Springer
    The European physical journal 312 (1983), S. 99-103 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a leptodermous expansion of the nuclear binding energy which allows its decomposition into volume, surface and curvature parts. The two contributions to the curvature energy are thus identified and estimated in the framework of an energy density functional formalism. A general procedure for the calculation of the curvature energy with Skyrme like forces is outlined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411665
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A soluble model for the study of the leptodermous expansions in finite nuclei (1982)
    Springer
    The European physical journal 305 (1982), S. 257-262 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In order to study the validity of the leptodermous expansions in nuclei we introduce a density profile which makes possible exact analytic calculations of the nuclear binding energy, in a three dimensional geometry. It is shown thus that the leptodermous expansion of the nuclear energy possesses the correct largeA limit and due to the presence of exponential terms the correct smallA limit as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01417443
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The periodically kicked rotator: Recurrence and/or energy growth (1984)
    Springer
    Journal of statistical physics 37 (1984), S. 93-108 
    Details
    ISSN: 1572-9613
    Keywords: Chaos ; quantum chaos ; quantum rotator
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We explore the properties of the quantum kicked rotator, its classical equivalent being the standard map. Its behavior, as found by computer studies, depends very much on the strength of the external forcing. At low strength it is seemingly recurrent in the sense of Hogg and Huberman. However, its energy increases with time at large forcings. For quantum systems, a unitary map defines the evolution over one period of time. The spectrum of this map in an infinite space does not seem to change continuously when one approaches the ratio of the frequencies of the external and of the unperturbed system by rational approximations of the golden mean.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012906
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    Paper (German National Licenses)
    Fulltext
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