ASEP Density Profile

Asymmetric simple exclusion process: non-equilibrium phase transitions

Parameters

Phase diagram (TASEP, q=0):
LD: α<β, α<½ → ρ=α, J=α(1-α)
HD: β<α, β<½ → ρ=1-β, J=β(1-β)
MC: α,β≥½ → ρ=½, J=¼

Current phase:
Mean density:
Mean current J:
LD=low density HD=high density MC=max current