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Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition
Longitudinal and transverse sound velocities of Lennard-Jones systems are calculated at the liquid–solid coexistence using the additivity principle. The results are shown to agree well with the “exact” values obtained from their relations to excess energy and pressure. Some consequences, in particul...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2020
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7435481/ https://www.ncbi.nlm.nih.gov/pubmed/32752011 http://dx.doi.org/10.3390/molecules25153498 |
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author | Khrapak, Sergey A. |
author_facet | Khrapak, Sergey A. |
author_sort | Khrapak, Sergey A. |
collection | PubMed |
description | Longitudinal and transverse sound velocities of Lennard-Jones systems are calculated at the liquid–solid coexistence using the additivity principle. The results are shown to agree well with the “exact” values obtained from their relations to excess energy and pressure. Some consequences, in particular in the context of the Lindemann’s melting rule and Stokes–Einstein relation between the self-diffusion and viscosity coefficients, are discussed. Comparison with available experimental data on the sound velocities of solid argon at melting conditions is provided. |
format | Online Article Text |
id | pubmed-7435481 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-74354812020-08-28 Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition Khrapak, Sergey A. Molecules Article Longitudinal and transverse sound velocities of Lennard-Jones systems are calculated at the liquid–solid coexistence using the additivity principle. The results are shown to agree well with the “exact” values obtained from their relations to excess energy and pressure. Some consequences, in particular in the context of the Lindemann’s melting rule and Stokes–Einstein relation between the self-diffusion and viscosity coefficients, are discussed. Comparison with available experimental data on the sound velocities of solid argon at melting conditions is provided. MDPI 2020-07-31 /pmc/articles/PMC7435481/ /pubmed/32752011 http://dx.doi.org/10.3390/molecules25153498 Text en © 2020 by the author. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Khrapak, Sergey A. Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title | Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title_full | Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title_fullStr | Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title_full_unstemmed | Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title_short | Sound Velocities of Lennard-Jones Systems Near the Liquid-Solid Phase Transition |
title_sort | sound velocities of lennard-jones systems near the liquid-solid phase transition |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7435481/ https://www.ncbi.nlm.nih.gov/pubmed/32752011 http://dx.doi.org/10.3390/molecules25153498 |
work_keys_str_mv | AT khrapaksergeya soundvelocitiesoflennardjonessystemsneartheliquidsolidphasetransition |