Polytropes
Applications in Astrophysics and Related Fields
(Sprache: Englisch)
While it seems possible to present a fairly complete uni?ed theory of undistorted polytropes, as attempted in the previous chapter, the theory of distorted polytropes is much more extended and - phisticated, so that I present merely a brief overview of the...
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Klappentext zu „Polytropes “
While it seems possible to present a fairly complete uni?ed theory of undistorted polytropes, as attempted in the previous chapter, the theory of distorted polytropes is much more extended and - phisticated, so that I present merely a brief overview of the theories that seem to me most interesting and important. Basically, the methods proposed to study the hydrostatic equilibrium of a distorted self-gravitating mass can be divided into two major groups (Blinnikov 1975): (i) Analytic or semia- lytic methods using a small parameter connected with the distortion of the polytrope. (ii) More or less accurate numerical methods. Lyapunov and later Carleman (see Jardetzky 1958, p. 13) have demonstrated that a sphere is a unique solution to the problem of hydrostatic equilibrium for a ?uid mass at rest in tridimensional space. The problem complicates enormously if the sphere is rotating rigidly or di?erentially in space round an axis, and/or if it is distorted magnetically or tidally. Even for the simplest case of a uniformly rotating ?uid body with constant density not all possible solutions have been found (Zharkov and Trubitsyn 1978, p. 222). The sphere becomes an oblate ?gure, and we have no a priori knowledge of its strati?cation, boundary shape, planes of symmetry, transfer of angular momentum in di?erentially rotating bodies, etc.
Inhaltsverzeichnis zu „Polytropes “
1. Polytropic and Adiabatic Processes2. Undistorted Polytropes
3. Distorted Polytropes
4. Relativistic Polytropes
5. Stability and Oscillations
6. Further Applications to Polytropes
- Acknowledgments
- Appendix A
- Appendix B
- Appendix C
- References and Author Index
- Subject Index
Bibliographische Angaben
- Autor: Georg P. Horedt
- 2004, 724 Seiten, Maße: 16,2 x 24,1 cm, Gebunden, Englisch
- Verlag: Springer Netherlands
- ISBN-10: 1402023502
- ISBN-13: 9781402023507
- Erscheinungsdatum: 28.07.2004
Sprache:
Englisch
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