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  • 1970-1974  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    On the stability of neutron matter calculations (1973)
    Springer
    The European physical journal 264 (1973), S. 321-330 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The problem of the stability of usual Hartree-Fock calculations of neutron matter with effective two-body interactions is investigated by using the second order variational equations. Sufficient conditions for instability are derived, which can be checked easily for a given effective potential. Numerical calculations are performed and neutron matter is found to be unstable against density fluctuations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01398858
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Neutron star models and nuclear forces (1971)
    Springer
    The European physical journal 246 (1971), S. 60-70 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Equations of state of cold neutron matter are calculated by the method of unitary transformations for a hard-core and a soft-core potential. Equilibrium configurations are constructed in the Newtonian and the general relativistic theory of gravitation. It is found that Newtonian treatment to a certain extent gives very good results. On the other hand neutron star models are strongly affected by the nuclear forces used in the equation of state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402651
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Neutron stars and incompressible fluid spheres in the Jordan-Brans-Dicke theory of gravitation (1974)
    Springer
    General relativity and gravitation 5 (1974), S. 663-672 
    Details
    ISSN: 1572-9532
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Neutron stars and incompressible fluid spheres are considered in the Jordan-Brans-Dicke theory. It is shown that their parameters (mass, radius, surface redshift) do not differ appreciably from the corresponding Einstein values even for ω = 0and various semi-realistic equations of state. For incompressible fluid spheres the differences between both theories of gravitation are most pronounced. We find an apparent instability of the incompressible fluid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00761924
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    Paper (German National Licenses)
    Fulltext
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