Figure 5: Effects of boundary conditions and TOFFOLI concentration.
From: Quantum vertex model for reversible classical computing
(a) The saturation of the scaling curve for fixed-input and output boundary conditions with 20% TOFFOLI gates when 
. This indicates that the solutions have been reached, and is consistent with the domain growth picture. Notice that for mixed input and output boundary conditions, the curve does not saturate when 
. (b) The functional form of the scaling curves as a function of different TOFFOLI concentrations. The correlation grows more slowly as the concentration of TOFFOLI gates increases. The dashed line corresponds to the fitting 
, with 
and τ0=8.33.
