Fresnel's Mechanical Legacy Recovered: How Bubble Acoustics Unifies Partial Drag, Velocity Addition, and Atomic Polarization
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909864590049280 |
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| author | Meucci, Shiva |
| author_facet | Meucci, Shiva |
| contents | Sound waves in bubbly water and light in special relativity obey identical first-order transport laws. This equivalence is not approximate or analogical but mathematically identical to first order in $U/v$, sharing the same form discovered by Fresnel in 1818 for light in moving transparent media. We demonstrate that all three systems-bubble acoustics, optical drag, and relativistic velocity addition-are described by a universal partial entrainment equation where wave coupling to compliant components determines the drag coefficient. In bubbly liquids this physics is directly observable: waves couple to compressible bubbles rather than rigid liquid. Since bubble dynamics reproduces the relativistic result, velocity addition itself admits mechanical interpretation. Von Laue's 1907 derivation abstracted mechanics into kinematics; we reverse this, showing relativistic effects preserve mechanical content in abstract form. Beyond first-order equivalence, we show Fresnel's dispersive term encodes group velocity (energy transport) versus phase velocity (wave-crest motion)-a distinction mechanical models naturally capture but pure kinematic velocity addition cannot address. The rigidity-based interpretation of dispersion, established in acoustic metamaterials, provides cross-domain insights for materials design and suggests testable predictions linking acoustic compliance to optical drag. This three-way equivalence reduces independent phenomena to a single principle: waves riding compliant inclusions. Fresnel drag, Lorentz contraction, and atomic polarization all emerge as aspects of this one mechanism, traced through the historical density-versus-rigidity fork that shaped aether theory's trajectory. The compliant-inclusion principle shows striking quantitative agreement with isotope mass-dependence and resonance structure in existing spectroscopic data. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_19833 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Fresnel's Mechanical Legacy Recovered: How Bubble Acoustics Unifies Partial Drag, Velocity Addition, and Atomic Polarization Meucci, Shiva Optics History and Philosophy of Physics Sound waves in bubbly water and light in special relativity obey identical first-order transport laws. This equivalence is not approximate or analogical but mathematically identical to first order in $U/v$, sharing the same form discovered by Fresnel in 1818 for light in moving transparent media. We demonstrate that all three systems-bubble acoustics, optical drag, and relativistic velocity addition-are described by a universal partial entrainment equation where wave coupling to compliant components determines the drag coefficient. In bubbly liquids this physics is directly observable: waves couple to compressible bubbles rather than rigid liquid. Since bubble dynamics reproduces the relativistic result, velocity addition itself admits mechanical interpretation. Von Laue's 1907 derivation abstracted mechanics into kinematics; we reverse this, showing relativistic effects preserve mechanical content in abstract form. Beyond first-order equivalence, we show Fresnel's dispersive term encodes group velocity (energy transport) versus phase velocity (wave-crest motion)-a distinction mechanical models naturally capture but pure kinematic velocity addition cannot address. The rigidity-based interpretation of dispersion, established in acoustic metamaterials, provides cross-domain insights for materials design and suggests testable predictions linking acoustic compliance to optical drag. This three-way equivalence reduces independent phenomena to a single principle: waves riding compliant inclusions. Fresnel drag, Lorentz contraction, and atomic polarization all emerge as aspects of this one mechanism, traced through the historical density-versus-rigidity fork that shaped aether theory's trajectory. The compliant-inclusion principle shows striking quantitative agreement with isotope mass-dependence and resonance structure in existing spectroscopic data. |
| title | Fresnel's Mechanical Legacy Recovered: How Bubble Acoustics Unifies Partial Drag, Velocity Addition, and Atomic Polarization |
| topic | Optics History and Philosophy of Physics |
| url | https://arxiv.org/abs/2510.19833 |