摘要翻译：
首次用计算机直接模拟含噪声的sine-Gordon方程，计算了磁通振子的线宽。计算结果与[Phys.Rev.B,{\BF65},054504(2002)]中的公式几乎完全吻合。研究表明，对于均匀偏置电流分布，线宽实际上并不依赖于结长，对于实际感兴趣的参数范围。根据无偏置尾部的长度，在宽的偏置电流范围内，功率可以最大化，线宽可以最小化。通过适当的负载匹配，线宽可进一步减小1.5倍。
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英文标题：
《Minimizing the linewidth of the Flux-Flow Oscillator》
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作者：
A.L. Pankratov
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最新提交年份：
2007
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分类信息：

一级分类：Physics        物理学
二级分类：Superconductivity        超导电性
分类描述：Superconductivity: theory, models, experiment.  Superflow in helium
超导：理论，模型，实验。氦中超流
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一级分类：Physics        物理学
二级分类：Statistical Mechanics        统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
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英文摘要：
  For the first time the linewidth of Flux-Flow Oscillator has been calculated by direct computer simulation of the sine-Gordon equation with noise. Nearly perfect agreement of the numerical results with the formula derived in [Phys. Rev. B, {\bf 65}, 054504 (2002)] has been achieved. It has been demonstrated that for homogeneous bias current distribution the linewidth actually does not depend on the junction length for practically interesting parameters range. Depending on the length of the unbiased tail, the power may be maximized and the linewidth may be minimized in a broad range of bias currents. The linewidth can be decreased further by 1.5 times by proper load matching.
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PDF链接：
https://arxiv.org/pdf/707.1413