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Title
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Analysis of pattern formation in systems with competing range interactions
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Author
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Abstract
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| We analyzed pattern formation and identified various morphologies in a system of particles interacting through a non-monotonic potential with a competing range interaction characterized by a repulsive core (r < r(c)) and an attractive tail (r > r(c)), using molecular-dynamics simulations. Depending on parameters, the interaction potential models the inter-particle interaction in various physical systems ranging from atoms, molecules and colloids to vortices in low kappa type-II superconductors and in recently discovered 'type-1.5' superconductors. We constructed a 'morphology diagram' in the plane 'critical radius r(c)-density n' and proposed a new approach to characterizing the different types of patterns. Namely, we elaborated a set of quantitative criteria in order to identify the different pattern types, using the radial distribution function (RDF), the local density function and the occupation factor. |
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Language
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English
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Source (journal)
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New journal of physics / Institute of Physics [Londen]; German Physical Society. - Bristol
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Publication
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Bristol
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2012
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ISSN
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1367-2630
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DOI
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10.1088/1367-2630/14/6/063032
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Volume/pages
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14
(2012)
, 21 p.
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Article Reference
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063032
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ISI
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000306946600003
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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