开边界凝聚-碎裂模型中的凝聚与阵发
Condensation and Intermittency in an Open Boundary Aggregation-Fragmentation Model
摘要：
我们研究真实的空间凝聚的聚集-碎裂模型中的总质量是不保守的，如在云的形成和细胞内贩运的现象。我们研究了系统的标度特性与流入和流出的质量在边界上使用数值模拟，辅以分析结果的情况下的碎裂。该系统被发现经历了一个相变到一个不寻常的凝聚相，其特点是强的不稳定性和巨大的波动的总质量。一个相关的相变也发生偏置运动的大质量，但有一些重要的区别，我们强调。
英文摘要：
We study real space condensation in aggregation-fragmentation models where the total mass is not conserved, as in phenomena like cloud formation and intracellular trafficking. We study the scaling properties of the system with influx and outflux of mass at the boundaries using numerical simulations, supplemented by analytical results in the absence of fragmentation. The system is found to undergo a phase transition to an unusual condensate phase, characterized by strong intermittency and giant fluctuations of the total mass. A related phase transition also occurs for biased movement of large masses, but with some crucial differences which we highlight.
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