Stochastic cycle selection in active flow networks
Stochastic cycle selection in active flow networks
复制标题
主动流网络中的随机循环选择
DOI:
10.1073/pnas.1603351113
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
Dunkel, Jörn
中科院分区:
文献类型:
--
作者:
Woodhouse, Francis G.;Forrow, Aden;Fawcett, Joanna B.;Dunkel, Jörn
Active biological flow networks pervade nature and span a wide range of scales, from arterial blood vessels and bronchial mucus transport in humans to bacterial flow through porous media or plasmodial shuttle streaming in slime molds. Despite their ubiquity, little is known about the self-organization principles that govern flow statistics in such nonequilibrium networks. Here we connect concepts from lattice field theory, graph theory, and transition rate theory to understand how topology controls dynamics in a generic model for actively driven flow on a network. Our combined theoretical and numerical analysis identifies symmetry-based rules that make it possible to classify and predict the selection statistics of complex flow cycles from the network topology. The conceptual framework developed here is applicable to a broad class of biological and nonbiological far-from-equilibrium networks, including actively controlled information flows, and establishes a correspondence between active flow networks and generalized ice-type models.
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DOI:
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