(a) Ln ρ vs 1/T, and (b) Ln ρ vs 1/T 1/4 and (c) Ln ρ vs 1/T 1/2 plots ...

(a) Ln ρ vs 1/T, and (b) Ln ρ vs 1/T 1/4 and (c) Ln ρ vs 1/T 1/2 plots ...