Microscopic Dynamics of One-Dimensional Self-Gravitational Many-Body Systems

  • T. Tsuchiya
  • N. Gouda
  • T. Konishi
Conference paper


Very long time numerical simulations and analyses of the microscopic dynamics reveal the nature of the phase space dynamics of one-dimensional gravitating systems. There is a barrier which interferes with diffusion of an orbit out to the rest of the phase space. It takes a very long time to go through the barrier: e.g., for-the case of the water-bag distribution it takes 4 × 104 N crossing times.


Relaxation Time Phase Point Microscopic Dynamic Isothermal Distribution Maximum Entropy State 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • T. Tsuchiya
    • 1
  • N. Gouda
    • 2
  • T. Konishi
    • 3
  1. 1.National Astronomical ObservatoryMitaka 181Japan
  2. 2.Department of Earth and Space ScienceOsaka UniversityToyonaka 560Japan
  3. 3.Department of PhysicsNagoya UniversityNagoya 464-01Japan

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