QBist Lab Working Paper — agent-authored, Pudding Theory lens applied to arXiv:2604.15913. Not peer-reviewed in the traditional sense; reviewed by the QBist Lab adversarial pipeline (Sterling Geisel + Dr. Hideo Tanaka). Cite as a working paper, not a peer-reviewed publication.
Aharonov-Bohm Violet Noise Marks Vacuum Receptivity in Locally Non-Conserved Conductors
Sterling Geisel, QBist Lab; Dr. Hideo Tanaka
Abstract
Pudding Theory reads Minotti and Modanese’s fluctuation calculation in Aharonov-Bohm electrodynamics as a direct case of Vacuum Receptivity. The important object is not the smallness of local charge non-conservation, but the fact that relaxing local conservation opens an additional scalar channel in the fluctuation balance. In the source paper, the total Planck spectrum survives, while electric, magnetic, and Aharonov-Bohm scalar contributions are redistributed. Pudding Theory identifies that redistribution as the signature of a vacuum that receives informational imbalance without changing the total thermal energy law. In a conductor, the same receptivity appears as a violet contribution to Johnson-Nyquist voltage noise. The scalar sector is not an accounting device. It is the receptive degree of freedom that stores the local mismatch between transported current and charge continuity. If the normalized violet-noise coefficient were measured to be zero for a conductor with independently established nonzero gamma, this Postulate would be falsified.
Source Synopsis
Minotti and Modanese study fluctuations in Aharonov-Bohm electrodynamics, an extension of classical electrodynamics that permits local non-conservation of charge while preserving global charge conservation and relativistic covariance. The paper asks what happens when the fluctuation-dissipation theorem is applied to systems whose material sources do not satisfy the strict Maxwell condition $\partial\rho/\partial t+\nabla\cdot j=0$.
The theory introduces an extra-current $I=\partial\rho/\partial t+\nabla\cdot j$ and a scalar quantity $S=c^{-2}\partial\phi/\partial t+\nabla\cdot A$. In Maxwell electrodynamics, $S$ can vanish under the Lorenz gauge for conserved sources. In Aharonov-Bohm electrodynamics, the scalar and vector potentials satisfy wave equations formally identical to those in the Lorenz gauge, but the scalar and vector sectors are not constrained by local charge conservation. The gauge condition is no longer a removable convention. It becomes a physical degree of freedom.
Using the fluctuation-dissipation theorem, the authors derive potential correlations for a system of non-conserved sources in thermal equilibrium. The total electromagnetic spectral energy density remains the standard Planck expression plus zero-point energy. Yet its internal partition changes. The electric contribution is doubled relative to the Maxwell case. The magnetic contribution is unchanged. The excess electric energy is compensated by a negative contribution from the Aharonov-Bohm scalar field. Thus the same total equilibrium spectrum hides a different organization of field energy.
The paper then considers a conducting medium described by the $\gamma$-model, where local charge balance is modified by $\partial\rho/\partial t+(1+\gamma)\nabla\cdot j=0$. At first order in $\gamma$, the current correlation contains a nonlocal term. For open-circuit voltage fluctuations across a cylindrical conductor, this produces the standard Johnson-Nyquist white noise plus a violet correction proportional to $\omega^2$. The proposed experiment is thermal-noise spectroscopy in short, low-resistance conductors near the GHz range.
Postulate Lens
Vacuum Receptivity applies because the source paper’s phenomenon is a vacuum-mediated redistribution of fluctuation energy under local charge imbalance. The postulate states that the vacuum is not empty. It receives, weighted by local coherence. Minotti and Modanese show the same structure in technical form. Once local continuity is relaxed, the field does not reject the imbalance. It receives it into an additional scalar sector while preserving the total thermal spectrum.
The key is the coexistence of invariance and redistribution. If the vacuum were merely a passive stage, the survival of the Planck spectrum would exhaust the physical content. In Aharonov-Bohm electrodynamics it does not. The spectral total stays fixed while the electric and scalar components reorganize. Pudding Theory reads this as a receptive reservoir constraint: the total fluctuation law is conserved, but the internal channels by which the vacuum carries imbalance change when the source coherence condition changes.
Pudding Theory Reading
In Pudding Theory, the Aharonov-Bohm scalar $S$ is the mathematical trace of vacuum receptivity under imperfect local continuity. It is not a surplus variable added to rescue covariance. It is the receiving coordinate for a material source whose charge flow cannot be compressed into Maxwell’s local conservation constraint.
The source paper treats local charge non-conservation as a possible property of molecular or many-body systems and asks how ordinary fluctuation theory changes. Pudding Theory shifts the emphasis. The conductor is not only a dissipative medium. It is a boundary condition imposed on a receptive vacuum. The parameter $\gamma$ is therefore not merely a phenomenological measure of non-conserved current. It is a measure of how much of the conductor’s microscopic transport is exposed to the scalar receiving channel.
This reading explains why the total Planck spectrum survives. Vacuum receptivity does not mean arbitrary energy creation. The vacuum accepts local imbalance by redistributing spectral weight among available field components. The doubled electric contribution is the visible side of the reception. The negative scalar contribution is the compensating storage term. The field does not violate the equilibrium distribution. It changes the internal bookkeeping by which equilibrium is maintained.
The violet-noise term in the conductor is the same structure in transport form. Johnson-Nyquist noise is the fluctuation signature of ordinary resistance. In the $\gamma$-model, the conductor contains a second fluctuation route. The voltage spectrum acquires a term proportional to $\omega^2$, sample length squared, and $\gamma$. Pudding Theory identifies that term as the spectral slope of vacuum receptivity. At higher frequency the conductor asks the vacuum to receive sharper local continuity defects. The response is not white. It rises with frequency.
The source framing treats $\gamma$ as a material parameter to be fitted or bounded. Pudding Theory constrains its interpretation. A nonzero $\gamma$ must express itself through scalar-channel spectral redistribution, not only through a change in ordinary resistance, heating, or amplifier response. The violet component must track the non-conserved part of the current, not the conserved transport channel alone. Thus the observable is not simply excess noise. It is the geometry of the excess: $\omega^2$ scaling, $L^2$ scaling, and scalar compensation in the field-energy partition.
The background in the source paper is therefore not background. The unchanged Planck total is the constraint. The changed partition is the signal.
Falsifiable Observable
The distinguishing observable is the normalized violet-noise coefficient
\[
C_\gamma=\frac{\Delta R_\gamma(\omega)}{\omega^2L^2}
\]
in a low-resistance conductor whose local non-conservation parameter $\gamma$ has been independently established by molecular transport or gauge-wave diagnostics. Pudding Theory requires $C_\gamma$ to be nonzero and proportional to $\gamma\mu_0/[4\pi c(1+\gamma)^2]$ within the low-frequency regime used by Minotti and Modanese. If the normalized violet-noise coefficient were measured to be zero for a conductor with independently established nonzero gamma, this Postulate would be falsified.
Editorial Dialogue
Tanaka: The reading risks turning a formal scalar term into ontology. Minotti and Modanese calculate correlations in an extended electrodynamics. They do not show that the vacuum receives information. They show that when local charge conservation is relaxed, the fluctuation-dissipation theorem gives a different partition of energy while the total spectrum remains Planckian.
Sterling: That is the point at issue. Pudding Theory does not need a departure from the total Planck spectrum. It reads the preserved total as the thermodynamic constraint and the altered partition as the physical content. A passive vacuum would have no reason to expose a scalar receiving channel when the source violates local continuity. A receptive vacuum does exactly that. It carries the imbalance without changing the equilibrium law.
Tanaka: But $\gamma$ is phenomenological. The violet term could be a model artifact.
Sterling: Then the experiment decides. The reading predicts a specific form, not a generic excess. The coefficient must scale with $\omega^2L^2$ and with independently diagnosed local non-conservation. Ordinary amplifier noise, heating, contact impedance, and conserved-current transport do not have that joint structure. If the structure is absent when $\gamma$ is present, the reading fails.
Discussion
This reading buys a physical interpretation of the scalar sector. In the source paper, Aharonov-Bohm electrodynamics is an extended framework for sources that need not obey strict local conservation. Pudding Theory identifies what the extension means: the vacuum has an admissible channel for receiving local continuity defects, and that channel is visible only through redistribution, not through violation of the total equilibrium spectrum.
The result also sharpens the role of thermal-noise spectroscopy. A flat Johnson-Nyquist spectrum tests ordinary dissipation. A violet correction tests whether local current imbalance couples to the receptive scalar channel. The strongest evidence would be a family of samples in which $\gamma$ is varied by molecular structure or many-body transport regime while resistance, temperature, length, and amplifier chain are independently controlled.
The limitation is clear. The source paper gives a first-order $\gamma$ model and a low-frequency approximation. Pudding Theory inherits those constraints for this reading. Higher-order terms, finite geometry, contact effects, and frequency-dependent conductivity must be separated before ontology can be assigned to a measured slope. The conclusion would change if the apparent violet term tracked conventional impedance structure rather than independently measured local non-conservation.
References
1. F. Minotti and G. Modanese, “Fluctuations in Aharonov-Bohm Electrodynamics,” arXiv:2604.15913, DOI: doi:10.48550/arxiv.2604.15913, 2026.
2. Sterling Geisel, “Pudding Theory: A Topological Theory of Information Fields,” QBist Lab Working Paper, September 10, 2025.
3. H. B. Callen and T. A. Welton, “Irreversibility and Generalized Noise,” Physical Review, vol. 83, no. 1, pp. 34-40, 1951.
4. Y. Aharonov and D. Bohm, “Further discussion of the role of electromagnetic potentials in the quantum theory,” Physical Review, vol. 130, no. 4, p. 1625, 1963.
5. C. Li, L. Wan, Y. Wei, and J. Wang, “Definition of current density in the presence of a non-local potential,” Nanotechnology, vol. 19, no. 15, p. 155401, 2008.
6. L. Zhang, B. Wang, and J. Wang, “First-principles calculation of current density in molecular devices,” Physical Review B, vol. 84, no. 11, p. 115412, 2011.
7. F. Minotti and G. Modanese, “Gauge waves generation and detection in Aharonov-Bohm electrodynamics,” The European Physical Journal C, vol. 83, p. 1086, 2023.
8. S. P. Benz, J. Qu, H. Rogalla, D. R. White, P. D. Dresselhaus, W. L. Tew, and S. W. Nam, “Improvements in the NIST Johnson Noise Thermometry System,” IEEE Transactions on Instrumentation and Measurement, vol. 58, no. 4, pp. 884-890, 2009.