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Title: Coexisting crystal and liquid-like properties in a 2D long-range self-consistent model
Authors: Maciel, João Marcos Batista de Souza
Amato, Marco Antonio
Firpo, Marie-Christine
Assunto:: Propriedades coexistentes de cristais e de líquido
Modelo autoconsistente de partículas de longo alcance
Issue Date: 25-Oct-2018
Publisher: Springer Nature
Citation: MACIEL, J. M.; AMATO, Marco A.; FIRPO, M. -C. Firpo. Coexisting crystal and liquid-like properties in a 2D long-range self-consistent model. Scientific Reports, v. 8, art. 15800, 2018. DOI: 10.1038/s41598-018-33889-8. Disponível em: https://www.nature.com/articles/s41598-018-33889-8. Acesso em: 24 jul. 2020.
Abstract: A two-dimensional class of mean-field models serving as a minimal frame to study long-range interaction in two space dimensions is considered. In the case of an anisotropic mixed attractive-repulsive interaction, an initially spatially homogeneous cold fluid is dynamically unstable and evolves towards a quasi-stationary state in which the less energetic particles get trapped into clusters forming a Bravais-like lattice, mimicking a crystalline state. Superimposed to this, one observes in symplectic numerical simulations a flux of slightly more energetic particles channeling through this crystalline background. The resultant system combines the rigidity features of a solid, as particles from a displaced core are shown to snap back into place after a transient, and the dynamical diffusive features of a liquid for the fraction of channeling and free particles. The combination of solid and liquid properties is numerically observed here within the classical context. The quantum transposition of the model may be experimentally reached using the latest ultracold atoms techniques to generate long-range interactions.
Licença:: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. © The Author(s) 2018
DOI: 10.1038/s41598-018-33889-8
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