Ambipolar Diffusion · Non-Ideal MHD
unseel.com · ion–neutral drift · flux-freezing breaks · MRI quenched
Am = γ ρ_i / Ω ≫ 1
Ionization x_e 10⁻⁴
Regime
Neutral gas (99.99999%)
Ions + electrons (field-tied)
Magnetic field lines
Ion–neutral drift
Unseel.com · Ambipolar Diffusion