Essential Ingredient for Radial-Composition Correlations in Two-Component Many-Body Systems: Short-Range Attractive Central Force
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866915766431907840 |
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| author | Lei, Y. |
| author_facet | Lei, Y. |
| contents | The linear correlation between RMS radius difference and composition asymmetry in two-component many-body systems is a robust feature observed across nuclear experiments, diverse theoretical models, and metallic nano-alloy cluster calculations. By employing random-interaction ensembles within a Hartree-Fock framework, we demonstrate that this correlation is not a trivial consequence of many-body symmetries. Instead, we identify the short-range, attractive central potential as the essential ingredient for its emergence, a mechanism underpinned by the Moshinsky transformation and the virial theorem within a harmonic-oscillator approximation of such a potential. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_00529 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Essential Ingredient for Radial-Composition Correlations in Two-Component Many-Body Systems: Short-Range Attractive Central Force Lei, Y. Nuclear Theory The linear correlation between RMS radius difference and composition asymmetry in two-component many-body systems is a robust feature observed across nuclear experiments, diverse theoretical models, and metallic nano-alloy cluster calculations. By employing random-interaction ensembles within a Hartree-Fock framework, we demonstrate that this correlation is not a trivial consequence of many-body symmetries. Instead, we identify the short-range, attractive central potential as the essential ingredient for its emergence, a mechanism underpinned by the Moshinsky transformation and the virial theorem within a harmonic-oscillator approximation of such a potential. |
| title | Essential Ingredient for Radial-Composition Correlations in Two-Component Many-Body Systems: Short-Range Attractive Central Force |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2602.00529 |