Spontaneous emergence of contrarian-like behaviour in an opinion spreading model

Details Spontaneous emergence of contrarian-like behaviour in an opinion spreading model Spontaneous emergence of contrarian-like behaviour in an opinion spreading model

2005-08-03

arxiv.org/abs/physics/0508029v1

Physics

Physics and Society

4 eps figs, EuroPhys Lett style

Scientific paper

10.1209/epl/i2005-10299-3

We introduce stochastic driving in the Sznajd model of opinion spreading. This stochastic effect is meant to mimic a social temperature, so that agents can take random decisions with a varying probability. We show that a stochastic driving has a tremendous impact on the system dynamics as a whole by inducing an order-disorder nonequilibrium phase transition. Interestingly, under certain conditions, this stochastic dynamics can spontaneously lead to agents in the system who are analogous to Galam's contarians.

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