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Search for in-phase Josephson vortex solutions in BSCCO type junctions: modelling and numerical simulations

机译：在BSCCO型结中搜索同相约瑟夫森涡旋解：建模和数值模拟

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The Josephson fluxon behaviour in layered BSCCO- type single crystals is modelled by coupled long Josephson junctions described by coupled sine - Gordon equations. Among all the possible solutions, particularly interesting are the so- called in- phase fluxon solutions with coherent motion of all the fluxons. Recently, generation of electromagnetic waves at almost terahertz ( THz) frequencies in BSCCO single crystals was reported. In order to maximize 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 or applying a large magnetic field to create in- phase flux flow solutions. We have numerically considered both mechanisms. The results provide an understanding of the system and a guidance to experimentalists looking for THz generation in BSCCO.
机译：层状BSCCO型单晶中的约瑟夫森通量行为通过耦合正弦-Gordon方程描述的耦合长约瑟夫森结进行建模。在所有可能的解决方案中，特别有趣的是所有同质子具有相干运动的所谓同相磁通子解决方案。最近，据报道在BSCCO单晶中几乎以太赫兹（THz）频率产生电磁波。为了使这种发电的能力最大化，这些同相磁通解决方案必不可少。已经提出了两种获得同相磁通运动的途径，即。 e。使用与腔的相互作用来锁相磁通运动或施加大磁场以创建同相磁通流解决方案。我们在数值上考虑了两种机制。结果提供了对该系统的理解，并为寻找BSCCO中产生THz的实验人员提供了指导。

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