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  • Digitale Medien  (2)
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  • Digitale Medien  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    The Gravitational Field of a Radiating and Contracting Spherically-Symmetric Body with Heat Flow (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 2119-2130 
    Details
    ISSN: 1572-9532
    Schlagwort(e): Einstein's field equations ; exact solution ; radiating star model
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A model of a highly idealized spherically symmetric object radiating away its mass with constant luminosity is presented. The body starts at t = −∞ with both infinite mass and radius and contracts to a point at t = 0 without forming an event horizon. Its material particles are moving non-geodesically and shearfree while transporting heat to the surface. Unlike in some radiating star models of a similar type, all physically required conditions are satisfied in this model.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1001991223754
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    On the interdependency of the Gauss-Codazzi-Ricci equations of local isometric embedding (1977)
    Springer
    General relativity and gravitation 8 (1977), S. 139-145 
    Details
    ISSN: 1572-9532
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The Gauss-Codazzi-Ricci equations governing the local isometric embedding of Riemannian spacesV n ⊂vn (N=n + P, P 〉 0) are interrelated by the Bianchi identities inV n andV N. This leads to redundancies which permit great simplification in the embedding problem, i.e. allows a neglect of part of the equations. By transcription, to the case of semi-Riemannian spaces, of a result of R. Blum we obtain a number of theorems and corollaries expressing forV n ⊂ VN this interdependency of the Gauss-Codazzi-Ricci equations. They form a generalization of previous results and are felt to be useful for the study of the geometrical properties of space-time and its three-dimensional space sections.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00770733
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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