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| Format: | Preprint |
| Published: |
2025
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| Online Access: | https://arxiv.org/abs/2501.03772 |
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| _version_ | 1866909450505289728 |
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| author | Horsch, Martin Thomas |
| author_facet | Horsch, Martin Thomas |
| contents | The influence of the surface curvature on the surface tension of small droplets at equilibrium with a surrounding vapour, or small bubbles at equilibrium with a surrounding liquid, can be expanded as γ(R) = γ(planar) - .../R + O(1/R^2). According to Tolman's law, the first-order coefficient in this expansion is obtained from the planar limit of the Tolman length, i.e., the deviation between the equimolar radius and the Laplace radius. Here, Tolman's law is generalized such that it can be applied to any notion of the dividing surface, beside the Laplace radius, on the basis of a generalization of the Gibbs adsorption equation which consistently takes the size dependence of interfacial properties into account. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_03772 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Influence of the dividing surface notion on the formulation of Tolman's law Horsch, Martin Thomas Soft Condensed Matter The influence of the surface curvature on the surface tension of small droplets at equilibrium with a surrounding vapour, or small bubbles at equilibrium with a surrounding liquid, can be expanded as γ(R) = γ(planar) - .../R + O(1/R^2). According to Tolman's law, the first-order coefficient in this expansion is obtained from the planar limit of the Tolman length, i.e., the deviation between the equimolar radius and the Laplace radius. Here, Tolman's law is generalized such that it can be applied to any notion of the dividing surface, beside the Laplace radius, on the basis of a generalization of the Gibbs adsorption equation which consistently takes the size dependence of interfacial properties into account. |
| title | Influence of the dividing surface notion on the formulation of Tolman's law |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2501.03772 |