摘要The dynamics of the dc and ac driving Josephson junction equation is studied in terms of the two-dimensional Poincare map. The smooth invariant circle on the phase cylinder in over-damped case α>2 loses smoothness as α decreases and becomes a strange attractor eventually. This triggers two kinds of chaos, one occurs in the regions between two Arnold tongues and the other occurs within the tongues.
Abstract：The dynamics of the dc and ac driving Josephson junction equation is studied in terms of the two-dimensional Poincare map. The smooth invariant circle on the phase cylinder in over-damped case α>2 loses smoothness as α decreases and becomes a strange attractor eventually. This triggers two kinds of chaos, one occurs in the regions between two Arnold tongues and the other occurs within the tongues.
QIAN Min;WANG Jia-Zeng. Warp of the Invariant Circle and Onset of Chaos in Josephson Junction Equation[J]. 中国物理快报, 2007, 24(7): 1845-1848.
QIAN Min, WANG Jia-Zeng. Warp of the Invariant Circle and Onset of Chaos in Josephson Junction Equation. Chin. Phys. Lett., 2007, 24(7): 1845-1848.
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