Description of quasi-equilibrium states of self-gravitating systems based on non-extensive thermostatistics

Details Description of quasi-equilibrium states of self-gravitating systems based on non-extensive thermostatistics Description of quasi-equilibrium states of self-gravitating systems based on non-extensive thermostatistics

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phya..340..444s&link_type=abstract

Physica A, Volume 340, Issue 1-3, p. 444-452.

Physics

1

Non-Extensive Entropy, Self-Gravitating System, Stellar Polytrope, Quasi-Equilibrium

Scientific paper

We present an application of Tsallis' generalized entropy to analysis
for thermodynamical nature of the self-gravitating stellar systems.
Extremizing the Tsallis entropy, we obtain an equation of the state
known as stellar polytrope. And a role of the extremes as a
quasi-equilibrium is shown from results of N-body simulations.

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