Skip to main Communities My dashboard Log in Sign up There is a newer version of the record available. Published April 13, 2026 | Version v3 Preprint Open The Cosserat Supersolid: Deriving the Constants of Nature from Vacuum Lattice Mechanics Authors/Creators Cox, Mitchell 1 Show affiliations 1.
University of the Witwatersrand Description Could the vacuum actually be a crystal? The idea sounds archaic - the luminiferous aether, discarded after Michelson and Morley. But the vacuum already has a permittivity, a permeability, a wave speed $c = 1/\sqrt{\mu_0\epsilon_0}$, zero-point fluctuations, condensates, and an equation of state. It is a material in everything but name. This monograph asks what happens if you take the idea seriously. The consequences are unexpectedly specific. A single physical mechanism - the tunnelling probability of a lattice defect through the crystal's periodic potential - produces the fine structure constant ($\alpha^{-1} = 137.035\,999\,177$, matching CODATA 2022 to $0.003$ ppb) with no measured input. The same tunnelling mechanism, applied to the full 19-node coordination cluster rather than a single node, gives Newton's constant; the $10^{38}$ ratio of electromagnetic to gravitational strength is the ratio of one-node to nineteen-node tunnelling - a counting problem. The same crystal geometry, applied to different topological defects, gives over ninety particle masses from the pion to the Higgs boson, all at pull $<1$. A single geometric parameter determines the neutrino mass sum ($65.5$ meV), the matter--antimatter asymmetry, and the cosmic birefringence angle - three quantities the Standard Model treats as unrelated. Twenty-nine decay rates spanning twenty-four orders of magnitude follow from the elastic mechanics of defect rearrangement. The dark energy equation of state ($w = -2/3$, consistent with DESI DR2) is the topology of domain walls in the polycrystal. The framework has zero free law parameters: every output is an overconstrained prediction, not a fit. The starting point is a single axiom: the vacuum is a dense Cosserat medium whose ground state is a crystal. A Cosserat medium is one whose constituents carry rotational degrees of freedom in addition to translational ones; the rotational part provides half-integer spin, and therefore fermion statistics and Pauli exclusion - the short-range repulsion that drives crystallisation. Quantum mechanics is not assumed - the Schr\"{o}dinger equation and the Born rule emerge from the crystal's own elastic mechanics, and $\hbar$ is a derived quantity. The crystal structure is derived, not chosen. The ground state minimises energy, selecting the densest sphere packing in some number of dimensions. Among all the root lattices catalogued by mathematicians (Conway and Sloane), one is structurally distinguished above the rest: $D_4$, the four-dimensional checkerboard, which is simultaneously the densest packing in four dimensions (kissing number 24), iso-dual (a property no other $D_n$ for $n \geq 5$ has), and the only root lattice in any dimension carrying \textit{triality} - a three-fold outer automorphism of its symmetry group $\text{Spin}(8)$ discovered by Cartan in 1925. Selecting $D_4$ on these geometric grounds gives a lattice with four directions; one is naturally compact, three are not. This four-dimensional structure then explains, rather than postulates, several features of the observed world. The compact direction has the structure required to be identified with Euclidean time via Matsubara's thermal field theory; the three non-compact directions become the three spatial dimensions; the three modes of the compact direction become the three fermion generations; and triality is the symmetry that permutes them. Projected along the compact direction, $D_4$ gives face-centred cubic (FCC) in three dimensions. The Cosserat coupling $N^2 = 1/\pi$ follows from rolling contact at each node. No structural parameter is adjusted. The lattice spacing is fixed by a self-consistent bootstrap: the elastic self-energy of a unit screw dislocation (the simplest topological defect) gives a mass $m_s = \alpha\,m_0$ in lattice units - a pure number. The screw has spin-$\tfrac{1}{2}$, charge $e$, and lepton number $+1$: the quantum numbers of the electron. Identifying $m_s = m_e$ is a prediction that provides the sole unit conversion to SI. The Lorentz-invariance objection - that a femtometre lattice should scatter photons catastrophically - is resolved by three suppression mechanisms intrinsic to the crystal, which push the predicted velocity anomaly more than two orders of magnitude below the Fermi-LAT bound. The $D_4$ lattice is strongly perfect, guaranteeing exact elastic isotropy without orientational averaging. Five elastic channels of the same lattice produce the five observed interactions - electromagnetism (transverse shear), the strong force (slip shear), the weak force (evanescent axial twist), gravity (collective compression), and the nuclear tensor force (massive couple-stress) - as eigenvalues of a single transfer matrix, with gravity and the nuclear tensor force unified as the acoustic and optical limits of a single Cosserat microrotation field. Five of the ten symmetry channels produce identically zero tunnelling, so the framework predicts that no forces exist beyond these five. Particles are topological defects: screw dislocations (electrons), partial dislocations (quarks, with colour from $D_4$ triality), edge dislocations (neutrinos), and vacancies (dark matter). Falsifiable predictions span every sector: neutrino masses (DUNE, JUNO), a null for neutrinoless double beta decay (LEGEND-1000), $w = -2/3$ (Euclid, Rubin), exotic hadrons (LHC), and gravitational-wave birefringence (LISA). Whether this level of agreement is evidence or coincidence is for the reader to judge. 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Versions External resources Indexed in OpenAIRE Communities Keywords and subjects Keywords Vacuum Structure Topological Defects Neutrino Mass Fine-Structure Constant Peierls-Nabarro Stress High Energy Physics General Relativity Quantum Cosmology Details DOI DOI Badge DOI 10.5281/zenodo.19535533 Markdown [](https://doi.org/10.5281/zenodo.19535533) reStructuredText .. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.19535533.svg :target: https://doi.org/10.5281/zenodo.19535533 HTML <a href="https://doi.org/10.5281/zenodo.19535533"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.19535533.svg" alt="DOI"></a> Image URL https://zenodo.org/badge/DOI/10.5281/zenodo.19535533.svg Target URL https://doi.org/10.5281/zenodo.19535533 Resource type Preprint Publisher Zenodo Rights License Creative Commons Attribution 4.0 International The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited. 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