arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv 2005.04939cond-mat.stat-mech
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布朗粒子的工程Swift平衡:流体动力学耦合的结果

Engineered Swift Equilibration of brownian particles: consequences of hydrodynamic coupling

Salambô Dago, Benjamin Besga, Raphaël Mothe, David Guéry-Odelin, Emmanuel Trizac, Artyom Petrosyan, Ludovic Bellon, Sergio Ciliberto

摘要:

我们提出了一个详细的理论和实验分析的工程快速平衡(ESE)协议适用于两个流体动力学耦合胶体光阱。第二个粒子会略微干扰(最多10%)对应用于单个粒子的ESE压缩的响应。这种影响是定量解释的水动力耦合模型。然后,我们设计了一个耦合的ESE协议的两个粒子,允许完美的控制一个目标粒子,而第二个是奴役的第一个。最后详细讨论了模型的标定误差和局限性。

英文摘要:

We present a detailed theoretical and experimental analysis of Engineered Swift Equilibration (ESE) protocols applied to two hydrodynamically coupled colloids in optical traps. The second particle disturbs slightly (10% at most) the response to an ESE compression applied to a single particle. This effect is quantitatively explained by a model of hydrodynamic coupling. Then we design a coupled ESE protocol for the two particles, allowing the perfect control of one target particle while the second is enslaved to the first. The calibration errors and the limitations of the model are finally discussed in detail.

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