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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.25972 |
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| _version_ | 1866914599800930304 |
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| author | Khrapak, Sergey |
| author_facet | Khrapak, Sergey |
| contents | A calculation of the transverse sound velocity as a function of excess entropy is presented for several simple fluids, including the Lennard-Jones, Yukawa, one-component plasma, inverse-power law (soft sphere) and hard sphere models. A quasi-universal character of this dependence is established, extending Rosenfeld's excess-entropy scaling of transport coefficients to the transverse sound velocity. The results are discussed in terms of the soft- to hard-sphere crossover and the Frenkel crossover between gas-like and liquid-like dynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_25972 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Excess entropy scaling of the transverse sound speed in simple fluids Khrapak, Sergey Soft Condensed Matter A calculation of the transverse sound velocity as a function of excess entropy is presented for several simple fluids, including the Lennard-Jones, Yukawa, one-component plasma, inverse-power law (soft sphere) and hard sphere models. A quasi-universal character of this dependence is established, extending Rosenfeld's excess-entropy scaling of transport coefficients to the transverse sound velocity. The results are discussed in terms of the soft- to hard-sphere crossover and the Frenkel crossover between gas-like and liquid-like dynamics. |
| title | Excess entropy scaling of the transverse sound speed in simple fluids |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2605.25972 |