The decay of triple systems |
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Authors: | A I Martynova V V Orlov |
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Institution: | 1. St. Petersburg State Forestry University, St. Petersburg, Russia 2. St. Petersburg State University, St. Petersburg, Russia 3. Main (Pulkovo) Astronomical Observatory, Russian Academy of Sciences, St. Petersburg, Russia
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Abstract: | Numerical simulations have been carried out in the general three-body problem with equal masses with zero initial velocities, to investigate the distribution of the decay times T based on a representative sample of initial conditions. The distribution has a power-law character on long time scales, f(T) ∝ T ?α , with α = 1.74. Over small times T < 30T cr (T cr is the mean crossing time for a component of the triple system), a series of local maxima separated by about 1.0T cr is observed in the decay-time distribution. These local peaks correspond to zones of decay after one or a few triple encounters. Figures showing the arrangement of these zones in the domain of the initial conditions are presented. |
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