Majority versus minority dynamics: phase transition in an interacting two-state spin system

M Mobilia1, S Redner

  • 1Center for BioDynamics, Center for Polymer Studies & Department of Physics, Boston University, Boston, Massachusetts 02215, USA. mmobilia@bu.edu

Summary

This study models opinion dynamics where agents adopt majority or minority states. A phase transition occurs at p(c)=2/3, leading to either global majority rule or a mixed state, with conserved magnetization at the critical point.

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