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Investigations on phase locking in a two-dimensional Josephson junction array within the Werthamer and the RCSJ model

机译:Werthamer和RCSJ模型内二维约瑟夫逊结阵列中的锁相研究

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摘要

The synchronization properties of a simple two-dimensional Josephson array consisting of two coupled SQUID cells are studied within the Werthamer as well as the RCSJ model. Special emphasis is placed on the role of inductances arranged perpendicular and parallel to the current bias direction for the phase locking behavior. The general behavior within the Werthamer model is found to be similar to that within the RCSJ model. However, there are quantitative differences, e.g. an enhanced phase shift between the voltage oscillations within one cell and a shift of the parameter range for the in-phase regime between different cells towards lower values of the McCumber parameter in the Werthamer model.
机译:在Werthamer以及RCSJ模型中研究了由两个耦合的SQUID单元组成的简单二维Josephson阵列的同步特性。特别强调的是,垂直和平行于电流偏置方向排列的电感对于锁相行为的作用。发现Werthamer模型中的一般行为与RCSJ模型中的行为相似。但是,存在数量差异,例如一个单元内的电压振荡之间的增强相移,以及不同单元之间的同相状态的参数范围向Werthamer模型中的McCumber参数的较低值偏移。

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