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Published on: October 24, 2017
Phase transitions in four-dimensional binary hard hypersphere mixtures
Marvin Bishop1, Paula A Whitlock
1Department of Computer Science, Manhattan College, Manhattan College Parkway, Riverdale, New York 10471, USA. marvin.bishop@manhattan.edu
Abstract:
Previous Monte Carlo investigations of binary hard hyperspheres in four-dimensional mixtures are extended to higher densities where the systems may solidify. The ratios of the diameters of the hyperspheres examined were 0.4, 0.5, and 0.6. Only the 0.4 system shows a clear two phase, solid-liquid transition and the larger component solidifies into a D4 crystal state. Its pair correlation function agrees with that of a one component fluid at an appropriately scaled density. The 0.5 systems exhibit states that are a mix of D4 and A4 regions. The 0.6 systems behave similarly to a jammed state rather than solidifying into a crystal. No demixing into two distinct fluid phases was observed for any of the simulations.
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