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2Departamento de Física, Universidade Federal do Rio Grande do Norte

By J. A. S. Lima and R. E. De Souza

Abstract

The density profiles and other quantities of physical interest for spherically symmetric systems are computed by assuming that a collisionless stellar gas may relax to the non-Gaussian power law distribution suggested by the nonextensive kinetic theory. There are two different classes of solutions. The first class behaves like a subset of the polytropic Lane-Emden spheres, whereas the second one corresponds to a transition between two different polytropic indices. Unlike the isothermal Maxwellian sphere, the total mass and sizes of both classes are finite for a large range of the nonextensive q-parameter

Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.316.1514
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