Voter Model — Opinion Dynamics
Consensus time, interface density, coarsening on networks
Parameters
Grid size
50
Steps/frame
100
Noise (stubborn)
0.00
▶ Run
↺ Reset
Time:
0
Opinion A:
50%
Interface density ρ:
0.500
Status:
Idle
Voter model:
each step, pick random node → copy opinion of random neighbor.
On d=2 lattice: ρ(t) ~ 1/ln(t) slow coarsening. Consensus in finite system at T_c ~ N ln N.
Interface density ρ = fraction of edges with disagreeing neighbors. ρ→0 at consensus.
Topology
Network type
2D Grid (lattice)
Random (Erdős-Rényi)
Small World