Abstract
The Josephson fluxon behaviour in layered BSCCO-type single crystals is modelled bycoupled long Josephson junctions described by coupled sine–Gordon equations. Among allthe possible solutions, particularly interesting are the so-called in-phase fluxon solutionswith coherent motion of all the fluxons. Recently, generation of electromagnetic waves atalmost terahertz (THz) frequencies in BSCCO single crystals was reported. In order tomaximize the power of such generation, these in-phase fluxon solutions are essential.Two different avenues to obtain in-phase fluxon motion have been suggested,i.e. either using the interaction with a cavity to phase lock the fluxon motion orapplying a large magnetic field to create in-phase flux flow solutions. We havenumerically considered both mechanisms. The results provide an understanding of thesystem and a guidance to experimentalists looking for THz generation in BSCCO.
Published Version
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