摘要翻译：
描述非平衡老化动力学的实验和数值数据的解释关键取决于自发涨落和诱导涨落之间的联系。线性响应波动在统计上服从于不可逆的能量爆发，即所谓的地震的假设，导致对物理可观测物的平均和波动谱的预测与实验结果合理一致[参见例如，Sibani et al.,Phys.Rev.B74:224407，2006]。利用一个简单但有代表性的Ising模型的模拟数据，提出并讨论了支持该假设的直接统计证据。地震与间歇磁化起伏之间存在严格的时间相关性。结果表明，外加磁场会使磁涨落分布中先前存在的间歇尾偏置，而对后者的高斯部分几乎没有影响。它对能量波动的影响可以忽略不计。因此，线性响应受地震控制，并继承了它们的时间统计量。这些发现为分析老化系统的间歇线性响应数据提供了理论基础，这种方法与热能波动的分析方法相同，而热能波动的测量要困难得多。
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英文标题：
《Linear response subordination to intermittent energy release in
  off-equilibrium aging dynamics》
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作者：
Simon Christiansen and Paolo Sibani
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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：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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一级分类：Physics        物理学
二级分类：Soft Condensed Matter        软凝聚态物质
分类描述：Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜，聚合物，液晶，玻璃，胶体，颗粒物质
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英文摘要：
  The interpretation of experimental and numerical data describing off-equilibrium aging dynamics crucially depends on the connection between spontaneous and induced fluctuations. The hypothesis that linear response fluctuations are statistically subordinated to irreversible outbursts of energy, so-called quakes, leads to predictions for averages and fluctuations spectra of physical observables in reasonable agreement with experimental results [see e.g. Sibani et al., Phys. Rev. B74:224407, 2006]. Using simulational data from a simple but representative Ising model with plaquette interactions, direct statistical evidence supporting the hypothesis is presented and discussed in this work.   A strict temporal correlation between quakes and intermittent magnetization fluctuations is demonstrated. The external magnetic field is shown to bias the pre-existent intermittent tails of the magnetic fluctuation distribution, with little or no effect on the Gaussian part of the latter. Its impact on energy fluctuations is shown to be negligible.   Linear response is thus controlled by the quakes and inherits their temporal statistics. These findings provide a theoretical basis for analyzing intermittent linear response data from aging system in the same way as thermal energy fluctuations, which are far more difficult to measure.
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PDF链接：
https://arxiv.org/pdf/709.1085