Communication: Pair interaction ordering in fluids with random interactions

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Abstract

We use molecular dynamics simulations in 2D to study multi-component systems in the limiting case where all the particles are different (APD). The particles are assumed to interact via Lennard-Jones potentials, with identical size parameters but their pair interaction parameters are generated at random from a uniform or from a peaked distribution. We analyze both the global and the local properties of these systems at temperatures above the freezing transition and find that APD fluids relax into a non-random state characterized by clustering of particles according to the values of their pair interaction parameters (particle-identity ordering).

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APA

Shagolsem, L. S., Osmanović, D., Peleg, O., & Rabin, Y. (2015). Communication: Pair interaction ordering in fluids with random interactions. Journal of Chemical Physics, 142(5). https://doi.org/10.1063/1.4907730

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