Issue |
EPL
Volume 105, Number 1, January 2014
|
|
---|---|---|
Article Number | 10003 | |
Number of page(s) | 6 | |
Section | General | |
DOI | https://doi.org/10.1209/0295-5075/105/10003 | |
Published online | 29 January 2014 |
Extreme variability in convergence to structural balance in frustrated dynamical systems
1 The Institute of Mathematical Sciences, CIT Campus - Taramani, Chennai 600113, India
2 Department of Physics, University of Calcutta - 92 Acharya Prafulla Chandra Road, Kolkata 700009, India
Received: 26 September 2013
Accepted: 2 January 2014
In many complex systems, heterogeneous connections can subject constituent elements to conflicting influences, resulting in frustration. Here we show numerically that an initially frustrated system can achieve structural balance by a link adaptation process inspired by Hebb's principle, with interaction strengths evolving in accordance with the dynamical states of its components. In the presence of fluctuations the time required to converge to the balanced state exhibits large dispersion characterized by a bimodal distribution, pointing to an intriguing problem in the study of evolving energy landscapes.
PACS: 05.65.+b – Self-organized systems / 89.75.Fb – Structures and organization in complex systems / 75.10.Nr – Spin-glass and other random models
© EPLA, 2014
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