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Pressure and derivative distributions reflecting anomalous diffusion (super- and subdiffusion) under the constraint 2α = β + 1, equation (22). Results shown apply for all values of rD. Two sets of α and β values are considered; for one of the cases we specifically show that results may be correlated in terms of . For each value of rD, both pD (rD, tD → ∞) and . The topmost dashed line (α = 0.8, β = 0.6) reflects the trend noted by equation (31).