where the function
describes the motion along the pendulum Separatrix. Chirikov (1979) has shown that this integral
has the approximate value
References
Chirikov, B. V. ``A Universal Instability of Many-Dimensional Oscillator Systems.'' Phys. Rep. 52, 264-379, 1979.
© 1996-9 Eric W. Weisstein
1999-05-26