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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2602.00529 |
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Table of 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.