Anomalous lifetime distributions and topological traps in ordering dynamics

Details Anomalous lifetime distributions and topological traps in ordering dynamics Anomalous lifetime distributions and topological traps in ordering dynamics

2007-05-17

arxiv.org/abs/0705.2560v1

Europhysics Letters, 79, (2007) 66006 (1-6)

Physics

Physics and Society

7 pages; 6 figures

Scientific paper

10.1209/0295-5075/79/66006

We address the role of community structure of an interaction network in ordering dynamics, as well as associated forms of metastability. We consider the voter and AB model dynamics in a network model which mimics social interactions. The AB model includes an intermediate state between the two excluding options of the voter model. For the voter model we find dynamical metastable disordered states with a characteristic mean lifetime. However, for the AB dynamics we find a power law distribution of the lifetime of metastable states, so that the mean lifetime is not representative of the dynamics. These trapped metastable states, which can order at all time scales, originate in the mesoscopic network structure.

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