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Article Dans Une Revue Journal of Statistical Physics Année : 2016

Critical crossover functions for simple fluids: towards the crossover modelling uniqueness

Résumé

Based on a single non-universal temperature scaling factor present in a simple fluid case, a detailed analysis of non-universal parameters involved in different critical-to-classical crossover models is given. For the infinite limit of the cutoff wave number, a set of three scaling-parameters is defined for each model such that it shows all the shapes of the theoretical crossover functions overlap on the mean crossover function shapes close to the non-trivial fixed point. The analysis of corresponding links between their fluid-dependent parameters opens a route to define a parametric model of crossover equation-of-state, closely satisfying the universal features calculated from the Ising-like limit in the massive renormalization scheme.

Domaines

Matériaux
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Dates et versions

hal-01389620 , version 1 (20-01-2021)

Identifiants

Citer

Yves Garrabos, Carole Lecoutre-Chabot, Samuel Marre, Bernard Le Neindre, Inseob Hahn. Critical crossover functions for simple fluids: towards the crossover modelling uniqueness. Journal of Statistical Physics, 2016, 165 (3), pp.471-506. ⟨10.1007/s10955-016-1627-4⟩. ⟨hal-01389620⟩
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