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Fractional Fermi Sea as a Laboratory Manifestation of Fabric Resonance

S. Velaris Korvin

Published Jul 11, 2026• 0 citations
Publisher

Abstract

This Note examines whether the numerical parameters of the 2025 Innsbruck "fractional Fermi sea" experiment — momentum distribution widths, temperatures, and Friedel oscillation wavelengths — are consistent with the predictions of the Fabric model. Three numerical coincidences are identified, all within ~1.5–2.5% of the model's fundamental constants D = 0.489, τ⁻¹ ≈ 1.957, and φ ≈ 1.618. All constants were fixed by independent astrophysical data prior to this analysis; no post-hoc fitting is performed. The limitations of each coincidence are discussed honestly, including a non-adiabatic transient at cycle l=2 and a heuristic temperature scaling. Falsifiable predictions for l=6,8,…, interspecies comparisons, modulation-rate dependence, and ISA spectral analysis are proposed. This Note does not claim experimental confirmation. It reports numerical observations consistent with the Fabric model and proposes specific tests to distinguish the Fabric interpretation from standard condensed-matter explanations.

DOI
10.5281/zenodo.21308079

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This technical report develops and tests TWMSE Candidate Equation 4A, a phenomenological, threshold-activated model of observer-induced quantum collapse formulated to preserve Born weights and operational no-signalling while producing experimentally distinguishable dynamics. Candidate Equation 4A introduces a branch-sensitive Lindblad term whose activation depends on whether an operationally defined observer record exceeds a specified threshold. The report evaluates the equation’s mathematical consistency, including trace preservation, positivity, Born-weight preservation and operational no-signalling. It also examines individual stochastic trajectories, ensemble behaviour, synthetic count-level parameter recovery, statistical power and the consequences of model misspecification. A retrospective analysis is performed using published fitted GHZ decoherence-rate summaries from two superconducting-qubit studies. This is not an analysis of original laboratory shot-level data. 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It contains the code, simulation data, published GHZ rate summaries used as inputs, derived numerical outputs, documentation, software requirements and integrity checks required to reproduce the reported computational analyses and verify the packaged results. 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•Sep 4, 2026•0 citations
This Note examines whether the numerical parameters of the 2025 Innsbruck "fractional Fermi sea" experiment — momentum distribution widths, temperatures, and Friedel oscillation wavelengths — are consistent with the predictions of the Fabric model. Three numerical coincidences are identified, all within ~1.5–2.5% of the model's fundamental constants D = 0.489, τ⁻¹ ≈ 1.957, and φ ≈ 1.618. All constants were fixed by independent astrophysical data prior to this analysis; no post-hoc fitting is performed. The limitations of each coincidence are discussed honestly, including a non-adiabatic transient at cycle l=2 and a heuristic temperature scaling. Falsifiable predictions for l=6,8,…, interspecies comparisons, modulation-rate dependence, and ISA spectral analysis are proposed. This Note does not claim experimental confirmation. It reports numerical observations consistent with the Fabric model and proposes specific tests to distinguish the Fabric interpretation from standard condensed-matter explanations.
The recent experimental realization of a fractional Fermi sea in a one-dimensional Bose gas of ultracold cesium (Nägerl group, University of Innsbruck; Bastianello et al., Physical Review Letters 136(23), 2026) overturns a long-standing thermodynamic assumption: that extreme, cyclical perturbation of a quantum system must scatter its structure into thermal noise. Instead, cyclic interaction forcing drove the emergence of a highly excited yet deeply ordered macroscopic phase — the first laboratory realization of a state permitted by Haldane's 1991 generalized exclusion statistics. This paper examines that result as a convergent test-bed for two theoretical frameworks: Plasma as the Continuum of Reality and DNA, Primes, and the Memory of Reality. The claim advanced is deliberately bounded. The Innsbruck experiment does not prove that reality is coherence-filtered; it demonstrates that matter pushed to the brink of entropic collapse can reorganize into hidden order, and it establishes a reproducible mechanism — cyclic forcing as a selection filter — that the frameworks predict should generalize. The paper's central contribution is a falsifiable experimental extension: subject a constrained plasma substrate to rapid cyclical electromagnetic forcing and monitor for macroscopic phase-locking against a 41.176 Hz harmonic baseline derived from the 700/17 dimensionless scaling law. The falsification condition is explicit — a broadband-noise response at that constraint refutes the framework's central prediction at this scale.
The Pauli exclusion principle is a cornerstone of quantum physics: it governs the structure of matter. Extensions of this principle, such as Haldane's generalized exclusion statistics, predict the existence of exotic quantum states characterized by fractional Fermi seas (FFS), i.e. momentum distributions with uniform but fractional occupancies. Here, we report the experimental realization of fractional Fermi seas in an excited one-dimensional Bose gas prepared through ramping cycles in the interaction strength. The resulting excited yet stable Bose-gas states exhibit Friedel oscillations, smoking-gun signatures of the underlying FFS. The stabilization of these states offers an opportunity to deepen our understanding of quantum thermodynamics in the presence of exotic statistics and paves the way for applications in quantum information and sensing.
The Pauli exclusion principle is a cornerstone of quantum physics: it governs the structure of matter. Extensions of this principle, such as Haldane's generalized exclusion statistics, predict the existence of exotic quantum states characterized by fractional Fermi seas (FFS), i.e. momentum distributions with uniform but fractional occupancies. Here, we report the experimental realization of fractional Fermi seas in an excited one-dimensional Bose gas prepared through ramping cycles in the interaction strength. The resulting excited yet stable Bose-gas states exhibit Friedel oscillations, smoking-gun signatures of the underlying FFS. The stabilization of these states offers an opportunity to deepen our understanding of quantum thermodynamics in the presence of exotic statistics and paves the way for applications in quantum information and sensing.
In this report we discuss the dynamical response of heavy quantum impurities immersed in a Fermi gas at zero and at finite temperature. Studying both the frequency and the time domain allows one to identify interaction regimes that are characterized by distinct many-body dynamics. From this theoretical study a picture emerges in which impurity dynamics is universal on essentially all time scales, and where the high-frequency few-body response is related to the long-time dynamics of the Anderson orthogonality catastrophe by Tan relations. Our theoretical description relies on different and complementary approaches: functional determinants give an exact numerical solution for time- and frequency-resolved responses, bosonization provides accurate analytical expressions at low temperatures, and the theory of Toeplitz determinants allows one to analytically predict response up to high temperatures. Using these approaches we predict the thermal decoherence rate of the fermionic system and prove that within the considered model the fastest rate of long-time decoherence is given by [Formula: see text]. We show that Feshbach resonances in cold atomic systems give access to new interaction regimes where quantum effects can prevail even in the thermal regime of many-body dynamics. The key signature of this phenomenon is a crossover between different exponential decay rates of the real-time Ramsey signal. It is shown that the physics of the orthogonality catastrophe is experimentally observable up to temperatures [Formula: see text] where it leaves its fingerprint in a power-law temperature dependence of thermal spectral weight and we review how this phenomenon is related to the physics of heavy ions in liquid [Formula: see text]He and the formation of Fermi polarons. The presented results are in excellent agreement with recent experiments on LiK mixtures, and we predict several new phenomena that can be tested using currently available experimental technology.
We investigate a candidate, scale-free coherence invariantΠ ≡ℏ τmd2 ,built from an inertial (or effective modal) mass m, a characteristic coherence or separationlength d, and a coherence or correlation time τ . The original motivation was the possibilitythat a single dimensionless parameter might organize coherence behaviour across a widerange of physical regimes. In this work we take a more modest and technically explicitposition.First, P we present the theoretical framework that motivates Π: a phase–ledger C(t) =i Φi(t) whose conservation, ˙C = 0, leads to local quadratic invariant manifolds in native,dimensionless coordinates. We show, via Buckingham–Π analysis, that for systems whoserelevant variables are (m, d, τ ; ℏ) there is a unique dimensionless combination of this form.Second, we test the coherence invariant hypothesis on a set of heterogeneous butconcrete examples drawn from nine “rungs”: quantum decoherence and matter-waveinterferometry, nonlocal/Bell-type experiments, near- and far-field electromagnetism,astrophysical lines, condensates, cosmic expansion, and dynamic “poke-and-return” motionin atom interferometers and Bose–Einstein condensates. The goal is not to claim a fullyestablished universal law, but to examine where the proposed invariant is (and is not)consistent with data under clearly stated choices of (m, d, τ ).Third, we confront a key limitation: in many platforms there are multiple, physicallyplausible definitions of d and τ . Different choices can shift Π by many orders of magnitude.We therefore emphasize the risk of post-hoc scale selection (“curve fitting”) and propose acanonical scale protocol for future tests: (i) state all plausible definitions of (m, d, τ ) for agiven dataset, (ii) compute Π for each, and (iii) treat the choice that minimizes deviationfrom a hypothesized invariant surface as an empirical question, not a built-in assumption.With these caveats, we find that:• Near-field matter-wave interferometers analysed using the Talbot time as the native τadmit a natural mapping in which an onset band in Π near O(10−1) appears plausible.• Cold-atom and BEC transport experiments, when expressed in terms of their trapscales and transport times, yield very large Π (deep coherence), consistent with theintuitive classification of strongly regulated motion.• In other domains (Bell tests, far-field EM, astrophysical lines, cosmology) the presentevidence is mixed or inconclusive: sensible alternative choices of (m, d, τ ) cannot yetbe ruled out, and the existence of a single cross-domain onset constant is thereforeunproven.iThe main contribution of this paper is thus not a final claim of universality but aclearly defined hypothesis, a normalization and falsifiability protocol, and a set of workedexamples illustrating both the promise and the pitfalls of coherence invariants acrossphysical scales. We highlight specific experiments and re-analyses—especially in matterwaveinterferometry, collisional decoherence, condensates, and atom interferometer/BECdynamics—that could rapidly confirm or falsify key aspects of the framework.Contents
This technical report develops and tests TWMSE Candidate Equation 4A, a phenomenological, threshold-activated model of observer-induced quantum collapse formulated to preserve Born weights and operational no-signalling while producing experimentally distinguishable dynamics. Candidate Equation 4A introduces a branch-sensitive Lindblad term whose activation depends on whether an operationally defined observer record exceeds a specified threshold. The report evaluates the equation’s mathematical consistency, including trace preservation, positivity, Born-weight preservation and operational no-signalling. It also examines individual stochastic trajectories, ensemble behaviour, synthetic count-level parameter recovery, statistical power and the consequences of model misspecification. A retrospective analysis is performed using published fitted GHZ decoherence-rate summaries from two superconducting-qubit studies. This is not an analysis of original laboratory shot-level data. The combined profile analysis finds no robust positive signal for Candidate Equation 4A. Instead, it establishes provisional, threshold-dependent upper limits on the additional collapse rate. Across the report’s primary threshold range of R* = 1–9, the largest pointwise one-sided 95% upper limit is approximately 7.3 × 10³ s⁻¹, while the tightest limit is approximately 3.0 × 10³ s⁻¹ at R* = 8. These are pointwise limits and do not constitute a simultaneous confidence band. The retrospective results therefore constrain but do not favour Candidate Equation 4A. Standard quantum mechanics remains sufficient to describe the analysed GHZ summaries and does so with fewer parameters. Candidate Equation 4A survives this preliminary confrontation only in the limited scientific sense that portions of its parameter space remain unexcluded. This non-exclusion is not evidence that the candidate is correct. The report consequently specifies a dedicated amplify–hold–erase experiment using matched record-forming and coherent-control circuits. The proposed test varies observer-record size, conditional record strength and dwell time while collecting count-level measurement outcomes and contemporaneous calibrations of conventional noise. The protocol is designed to distinguish a threshold-activated observer-record contribution from smooth, conventional decoherence and other experimental effects. A preregistration template, empirical-data schema and data dictionary are supplied so that the proposed experiment can be performed and analysed as an independently reproducible and falsifiable test. The accompanying ZIP archive is the complete, self-contained reproducibility package for the results reported here. It contains the code, simulation data, published GHZ rate summaries used as inputs, derived numerical outputs, documentation, software requirements and integrity checks required to reproduce the reported computational analyses and verify the packaged results. The archive contains: • the complete report in PDF, DOCX and Markdown formats;• deterministic Python reproduction scripts;• results from 500 density-matrix consistency trials;• 250,000 simulated stochastic trajectories;• 14,336 synthetic count-level circuit rows;• synthetic parameter-recovery and statistical-power results;• model-misspecification tests;• the published fitted GHZ rate summaries used in the retrospective analysis;• individual and joint GHZ profile-likelihood results;• prediction grids and report figures;• an empty 37-column template for future empirical raw data;• a data dictionary and preregistration template;• software-environment requirements and citation metadata; and• a SHA-256 manifest for package-integrity verification. The simulated trajectories and synthetic circuit counts are computational data rather than laboratory observations. The included GHZ inputs are published fitted rate summaries and are not original experimental shot counts. No new laboratory data are included, and no empirical discovery claim is made. Successful reproduction verifies that the supplied code generates the reported mathematical checks, simulations and retrospective statistical results. It does not establish that nature follows Candidate Equation 4A, demonstrate observer-induced collapse, or show that TWMSE is empirically preferred over standard quantum mechanics. The physical ideas, TWMSE framework, research direction and scientific interpretation are those of the author. Computational assistance was used for mathematical checking, simulation, statistical analysis, document preparation and reproducibility auditing. The author directed the research and accepts responsibility for the methodology, scientific claims, interpretations and conclusions. Candidate Equation 4A should therefore be understood as an explicit, internally testable and falsifiable phenomenological candidate that has passed the reported mathematical and computational consistency checks, remains compatible with the limited published summaries examined, and now requires the proposed dedicated raw-data experiment for a meaningful empirical test.