['Considering', 'the', 'contribution', 'of', 'the', 'M0', 'type', 'critical', 'point', 'with', 'the', 'lowest', 'three', 'dimensions', ',', 'its', 'dielectric', 'function', 'can', 'be', 'calculated', 'by', 'Adachi', "'s", 'model', '[', '15,22,23', ']', ':', 'ε(Ε)=ε∞+{A0[2−(1+χ0)1/2−(1−χ0)1/2]}/(EOBG2/3χ02', ')', '.']