发表机构
University of Sannio; University of Salerno(桑尼奥大学; 萨莱诺大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本文利用并行GPU模拟约瑟夫森结在乘性噪声下的开关动力学,采用非平衡搓板模型,在短时间和低成本下全面表征噪声对开关电流分布的影响。
AI 中文摘要
并行图形处理单元已被用于快速模拟受临界电流波动影响的约瑟夫森结的开关动力学。该系统由具有乘性噪声的非平衡搓板模型建模,而该模型缺乏解析结果。所提出的方法使我们能够在短时间内并以相对廉价的资源执行广泛的数值模拟。这使我们能够在现实的偏置电流扫描速率下全面表征噪声对结开关电流分布的影响。
英文摘要
Parallel graphic processing units have been employed for fast simulations of the switching dynam- ics of Josephson junctions subject to critical current fluctuations. Such a system is modeled by a nonequilibrium washboard model with multiplicative noise, for which analytical results are lacking. The proposed approach allows us to execute extensive numerical simulation in short time and with relatively inexpensive resources. This allows us to fully characterize the effect of the noise on the junction switching current distributions at realistic bias current sweeprates.
Journal refIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 28, NO. 7, OCTOBER 2018 p 1700404