Volume 96, Number 4, November 2011
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||28 October 2011|
Phase transition in the Sznajd model with independence
Institute of Theoretical Physics, University of Wrocław - PL-50-204, Wrocław, Poland, EU
2 Instituto de Física, Universidade de São Paulo - São Paulo, Brasil
Accepted: 20 September 2011
We propose a model of opinion dynamics which describes two major types of social influence —conformity and independence. Conformity in our model is described by the so-called outflow dynamics (known as Sznajd model). According to sociologists' suggestions, we introduce also a second type of social influence, known in social psychology as independence. Various social experiments have shown that the level of conformity depends on the society. We introduce this level as a parameter of the model and show that there is a continuous phase transition between conformity and independence.
PACS: 89.65.-s – Social and economic systems / 75.10.Pq – Spin chain models / 89.75.Da – Systems obeying scaling laws
© EPLA, 2011
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