Description of Quasi-Equilibrium States in N-body Self-gravitating System

Details Description of Quasi-Equilibrium States in N-body Self-gravitating System Description of Quasi-Equilibrium States in N-body Self-gravitating System

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..31...55t&link_type=abstract

Journal of Physics: Conference Series, Volume 31, Issue 1, pp. 55-58 (2006).

Physics

Scientific paper

We present our recent progress on the characterization of self-gravitating N-body system away from the thermal equilibrium. We show that the transient state of out-ofequilibrium system can be approximately described by the stellar polytropic distribution with time-varying polytrope index. The time-scale of quasi-equilibrium states can be analytically estimated by means of the generalized variational method, which reproduces the N-body result quite well.

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