Selfgravitating Gas Spheres in a Box and Relativistic Clusters: Relation between Dynamical and Thermodynamical Stability

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dc.creatorBisnovatyi-Kogan, Gennady S.
dc.creatorMerafina, Marco
dc.date2006-03-15
dc.date.accessioned2026-07-07T10:43:42Z
dc.date.available2026-07-07T10:43:42Z
dc.descriptionWe derive a variational principle for the dynamical stability of a cluster as a gas sphere in a box. Newtonian clusters are always dynamically stable and, for relativistic clusters, the relation between dynamical and thermodynamical instabilities is analyzed. The boundaries between dynamically and thermodynamically stable and unstable models are found numerically for relativistic stellar systems with different cut off parameters. A criterion based on binding energy curve is used for determination of the boundary of dynamical stability.
dc.description10 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0603398
dc.identifierhttp://arxiv.org/abs/astro-ph/0603398
dc.identifierAstrophys.J.653:1445-1453,2006
dc.identifierdoi:10.1086/508794
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/182334
dc.subjectAstrophysics
dc.titleSelfgravitating Gas Spheres in a Box and Relativistic Clusters: Relation between Dynamical and Thermodynamical Stability
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