Fokker-Planck study of stellar self-gravitating system away from the thermal equilibrium: connection with non-extensive statistics

Details Fokker-Planck study of stellar self-gravitating system away from the thermal equilibrium: connection with non-extensive statistics Fokker-Planck study of stellar self-gravitating system away from the thermal equilibrium: connection with non-extensive statistics

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phya..340..453t&link_type=abstract

Physica A, Volume 340, Issue 1-3, p. 453-458.

Statistics

5

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

Scientific paper

We present a recent progress on the numerical study of the long-term evolution of stellar self-gravitating systems, focusing on the connection with non-extensive statistics. In particular, we discuss the quasi-equilibrium behaviors found in the previous N-body simulations. Using the Fokker-Planck equation, we show that the quasi-equilibrium behaviors can be described by a simplified treatment of the stellar dynamics.

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