Vacancy nucleation (cavity)
Glazier & Graner 1993 reproduction — viva-cpm
J_ll=14 J_dd=2 J_ld=11 J_lM=16 J_dM=16
γ_ld=+3 γ_lM=+9 γ_dM=+15
T=5.0 λ=1.0 target: A_light=20.0 A_dark=40.0
initial condition: equilibrated_random
Finding: A light-cell-lined medium cavity nucleates within the aggregate (Fig 28); reproduced approximately (the paper notes this case is delicate).

Fig 28 — vacancy nucleation / cavity (200 MCS).