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  • 1995-1999  (2)
  • 21.10.−k  (1)
  • Secondary 05C35  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Description of isovector giant dipole resonances in relativistic Vlasov equation at small amplitude limit (1995)
    Springer
    The European physical journal 352 (1995), S. 119-126 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.−k ; 24.30.Cz ; 24.10Jv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A more general relativistic Vlasov equation has been derived in the framework of relativistic quantum hadron dynamical theory. In the small amplitude limit we use this Vlasov equation to study the isovector giant dipole resonances built on groundstate in spherical nuclei16O,40Ca,90Zn and208Pb. The results show that the spin-orbit coupling and the non-linear terms of scalar meson can influence the resonance energies to a certain extent comparing with those obtained from the non-relativistic Vlasov equation approach and are in good agreement with the experimental ones, especially for the case which vacuum fluctuation is included.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01298896
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Large faces in 4-critical planar graphs with minimum degree 4 (1995)
    Springer
    Combinatorica 15 (1995), S. 455-467 
    Details
    ISSN: 1439-6912
    Keywords: Primary 05C15 ; Secondary 05C35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We prove that the size of the largest face of a 4-critical planar graph with δ≥4 is at most one half the number of its vertices. Letf(n) denote the maximum of the sizes of largest faces of all such graphs withn vertices (n sufficiently large). We present an infinite family of graphs that shows $$\mathop {\lim }\limits_{n \to \infty } \frac{{f(n)}}{n} = \frac{1}{2}$$ .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01192518
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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