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Molecular emulsions: a model for Lifshitz states in classical physics (CROSBI ID 591178)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Kežić, Bernarda ; Perera Aurelien Molecular emulsions: a model for Lifshitz states in classical physics // Knjiga sazetaka-13eme Journees de la Matiere Condensee. 2012. str. 244-244

Podaci o odgovornosti

Kežić, Bernarda ; Perera Aurelien

engleski

Molecular emulsions: a model for Lifshitz states in classical physics

Aqueous mixtures of small solute molecules are characterized by a strong micro-heterogeneity. This micro-heterogeneity is distinct from concentration fluctuations, and can be characterised as the analog of the Lifshitz state well known in condensed matter and high energy physics. It corresponds to a state where "particles" can emerge from a fluctuating background. The difficulty of distinguishing the two manifestations has plagued the computer simulations of aqueous mixtures over two decades, in particular in determining the nature of the long range part of the correlations in finite size simulations. By using a mode mixture of water and "weak-water", where we scale down the partial charges of the oxygen and hydrogen sites, we obtain various models of molecular emulsions, analogous to realistic binary aqueous mixtures in many ways, and that allows us to illustrate how fluctuations and micro-heterogeneity manifest themselves into the structural and thermodynamical quantities.

micro-heterogeneity; aqueous mixtures; molecular dynamics simulation

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Podaci o prilogu

244-244.

2012.

objavljeno

Podaci o matičnoj publikaciji

Knjiga sazetaka-13eme Journees de la Matiere Condensee

Podaci o skupu

13eme Journees de la Matiere Condensee

poster

27.08.2012-31.08.2012

Montpellier, Francuska

Povezanost rada

Fizika