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arXiv 1402.1935cond-mat.supr-con
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具有膜桥的双连接超导体的电流态

Current states of a doubly connected superconductor with film bridges

A. V. Krevsun, L. V. Gnezdilova, V. P. Koverya, S. I. Bondarenko

摘要:

本文测量了一个具有两个不同桥宽的双连接超导体的薄膜高感电路分支中的输运电流分布。当输运电流小于桥的临界电流之和时,当输运电流达到其中一个桥的临界电流时,输运电流的分布呈现出反常的行为。当通过电路的传输电流大于桥路临界电流之和时,支路中出现低频连续谐波电压自振荡和同步电流自振荡。的发病机制负责的自振荡进行了讨论。

英文摘要:

Transport current distribution in the branches of a doubly connected superconductor in the form of a thin-film high-inductance circuit with two bridges of different width in the branches was measured. For the transport current lower than the sum of critical currents of the bridges, its distribution was found to exhibit an anomalous behavior upon reaching the critical current of one of the bridges. For a fixed value of the transport current through the circuit higher than the sum of critical currents of the bridges, low-frequency continuous harmonic voltage self-oscillations together with synchronous current self-oscillations appeared in the circuit branches. The mechanism responsible for the onset of the self-oscillations is discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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