Abstract
We present a systematic numerical study of the coupled one-dimensional sine-Gordon equations for a stack of 20 Josephson junctions, with junction parameters that are representative for intrinsic Josephson junctions in Bi 2SrCa 2Cu 2O 8. Simulations were performed for a wide range of external magnetic fields oriented parallel to the layers. We found a large variety of fluxon and antifluxon modes, often involving the excitation of collective Josephson plasma oscillations or cavity resonances. Representative states are discussed in detail. Many dynamic configurations can be classified within a few categories like the motion of fluxon rows, resonant states or off-resonant fluxon lattices.
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