Spurious symmetry-broken phase in a bidirectional two-lane ASEP with narrow entrances

Tian Bo¹, Jiang Rui^{2, †}, Hu Mao-Bin^{1, ‡}, Jia Bin²

(color online) Dependence of the boundary on N in N-cluster mean field analysis. (a) α = 0.9, (b) β = 0.2, (c) β = 0.4. Scattered points are N-cluster mean field results, the red lines show the fit of exponential decay.