ЖЭТФ, Том 117,
Вып. 3,
стр. 644 (Март 2000)
(Английский перевод - JETP,
Vol. 90, No 3,
p. 562,
March 2000
доступен on-line на www.springer.com
)
ADIABATIC INVARIANCE AND SEPARATRIX: SINGLE SEPARATRIX CROSSING
Chirikov B.V., Vecheslavov V.V.
Поступила в редакцию: 22 Июня 1999
PACS: 05.45.+b
Detailed numerical experiments on the dynamics and statistics of a single crossing the separatrix of a nonlinear resonance with a time-varying amplitude are described. The results are compared with a simple approximate theory first developed by Timofeev and further improved and generalized by Tennyson and coworkers. The main attention is paid to a new, ballistic, regime of separatrix crossing in which the violation of adiabaticity is maximal. Some unsolved problems and open questions are also discussed.
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