Global Dynamics of the Chaotic Disk Dynamo System Driven by Noise

Figure 2

Simulated phase portraits of stochastic disk dynamo system (3) with parameters μ₁ = 3, μ₂ = 1, ϵ₁ = 0.1, ϵ₂ = 0.2, q₁ = 3, q₂ = 1, σ₁ = 0.1, σ₂ = 0.1, σ₃ = 0.01, σ₄ = 0.01, q₁₀ = 0.1, q₂₀ = 0.1 and initial values (x₀, y₀, z₀, u₀) = (2.2, 2.0, 10.5, 20).

(a)

(b)