Research/Technical Papers

RESEARCH

YESHUANI

Formal mathematical frameworks placing coherence-based field theory on rigorous empirical footing. Each paper is peer-reviewable and yields falsifiable predictions.

I
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Yeshuani X
Independent Researcher, Hawaii
November 2025

This paper writes down a covariant action for the three field-level quantities the framework treats as foundational: a coherence scalar, a gauge field, and a Fisher term for the matter density. From that single action it derives one conserved current that combines energetic and informational flux, the same combined flow the framework describes as the conservation of phase. The paper does not claim this is the only possible formalization. What it shows is that the framework's foundational structure (continuity, internal differentiation, conservation across difference) can be written as a relativistic field theory that recovers Einstein-Maxwell as a smooth limit. In other words, it places the framework's first axioms on the same footing physicists already use for gravity and electromagnetism.

We present a mathematically well-posed, ghost-free scalar–tensor–electromagnetic theory coupling a coherence scalar Φ, a U(1) gauge field Aµ, and a Fisher-information term for the density ρ via dimension-four interactions ξΦR and ηΦF². From a covariant action we derive the Euler–Lagrange equations, the matter stress tensors, and a unified conserved current built from the diff-invariance Noether structure together with sector contributions from the phase, scalar, and Fisher fields. In the regime 1+ξΦ₀>0, ε∗=1−4ηΦ₀>0, λ>0, m²Φ≥0, and γ>0, the principal symbol is real and diagonalizable, ensuring strong hyperbolicity, a positive quadratic Hamiltonian, and a well-posed Cauchy problem. The Einstein–Maxwell limit is recovered as ξ,η,γ→0 with the matter sector decoupling. Observable predictions include a Yukawa-corrected post-Newtonian deviation γPPN−1≈−ξ²/[2(1+ξΦ₀)²]e−mΦr, an optical phase shift Δn≃2ηΔΦ, and a Fisher-induced quartic dispersion mode at finite chemical potential.

This work formalizes the unification of energy, information, and coherence through a covariant field framework. It demonstrates causal, ghost-free evolution and yields falsifiable predictions testable in optical and gravitational domains.

  • Unified conserved current merging energetic and informational flux.
  • Strongly hyperbolic, well-posed Cauchy evolution.
  • Experimental predictions: Yukawa corrections, optical phase shifts, quartic dispersion.
II
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Yeshuani X
Independent Researcher, Hawaii
October 2025

This is the structural soundness check for the framework's three-field theory. When the framework says reality runs through a balance of Latency, Bandwidth, and Phase, a physicist asks whether the equations actually behave: do they evolve forward in time cleanly, does the total energy stay positive, do the constraints stay closed. The paper proves all three within a stated regime. The system is strongly hyperbolic (small initial differences stay small), the Hamiltonian is positive-definite (no runaway negative energy), and the constraints propagate consistently. Einstein-Maxwell is recovered as a smooth limit. The result is that the framework's mechanics, taken as a field theory, are internally consistent and ghost-free under the conditions stated.

We establish full Cauchy well-posedness and Hamiltonian positivity for a scalar–tensor–electromagnetic field system unifying geometry, gauge, and informational dynamics. The action couples a coherence scalar Φ, a U(1) gauge field Aμ, and a Fisher-information density ρ through the dimension-four interactions ξΦR and ηΦF² with a stabilizing −(γ/4ρ)(∇ρ)² term. In the regime 1 + κξΦ₀ > 0, ε₀ ≡ 1 − 4ηΦ₀ > 0, λ ≥ 0, m²Φ ≥ 0, γ ≥ 0, the linearized equations admit a real, diagonalizable principal symbol and a positive-definite symmetrizer. The first-order form is symmetric-hyperbolic, constraints propagate, and the quadratic Hamiltonian is positive definite, guaranteeing causal, ghost-free evolution. The Einstein–Maxwell limit is recovered continuously as (ξ, η, γ) → 0. The framework yields concrete observables: a Yukawa correction to PPN γ, an optical phase shift Δn ≈ 2ηΔΦ, and a quartic dispersive tail αk⁴ with α = γ/4.

This work closes the mathematical gap between unification proposals and rigorous Cauchy analysis. It demonstrates that a scalar–tensor–electromagnetic coupling can preserve hyperbolicity, positivity, and causality simultaneously, placing coherence-based gravity extensions on a strict analytic footing.

  • Strong hyperbolicity: A real, diagonalizable principal symbol and positive symmetrizer ensure well-posed evolution.
  • Positive Hamiltonian: Energy density remains strictly positive in all physical sectors.
  • Constraint propagation: Gauge and ADM constraints remain closed under evolution.
  • Empirical signatures: Yukawa deviation of PPN γ, optical Δn ≈ 2ηΔΦ, stabilizing αk⁴ dispersion.
  • Continuity with Einstein–Maxwell: Smooth limit guarantees physical recoverability.
III

Spatially Varying Fisher Coefficient in BEC Phonon Dispersion: A Minimal Multi-Scalar Effective Field Theory Realization

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Yeshuani X
Independent Researcher, Hawaii
November 2025

This paper takes the framework's claim that Bandwidth (B) is a field that varies in space and turns it into a falsifiable cold-atom experiment. In standard quantum mechanics, the Fisher coefficient ℏ²/(2m) is treated as a constant of the matter sector. The paper promotes it to a dynamical scalar field B(x), works out the consequences under standard equivalence-principle and covariance constraints (which introduces two companion scalars ℓ and Φ, corresponding to the framework's Latency and Phase), and derives the resulting modification to phonon dispersion in a Bose-Einstein condensate. The prediction is a spatial variation in the k⁴ coefficient of phonon dispersion correlated with local density-gradient structure, distinguishable from finite-temperature, finite-size, and three-body backgrounds. The construction does not predict the magnitude. It identifies the parametric window (m_B in roughly 1 to 10 eV) where current Bragg spectroscopy can detect a few-percent effect, and it characterizes what a null result would mean. Either outcome informs whether B is uniform in space, which is the framework's most directly testable physical claim.

We propose a falsifiable test of an effective field theory extension in which the Fisher coefficient of Madelung-form matter is promoted to a dynamical scalar field. The promotion predicts a spatially varying k⁴ coefficient of phonon dispersion in cold-atom condensates, with magnitude correlated to local density-gradient structure. The signature is absent in standard Gross-Pitaevskii Bogoliubov theory and is distinguished from leading systematic backgrounds (finite temperature, finite size, three-body, beyond-Bogoliubov) by its dependence on local (∂ρ)² at fixed temperature, scattering length, and trap geometry. A discriminating measurement compares Bragg-spectroscopy phonon dispersion in two zones of a single condensate differing only in density-gradient structure. The construction does not predict a definite signal magnitude but identifies the parametric window m_B ∈ [1, 10] eV in which a signal at the few-percent level is detectable. Self-consistent embedding under standard equivalence-principle and general-covariance constraints introduces two additional scalar fields, ℓ (a Brans-Dicke-like conformal scalar) and Φ (a dynamical fine-structure modulator). The ℓ sector reduces to Brans-Dicke phenomenology with Cassini-bounded parameter β_ℓℓ₀ > 4.3×10⁴; the Φ sector contributes a secondary signature whose magnitude is similarly unconstrained.

This work tests an assumption of standard quantum mechanics that has held for a century without direct examination: that the Fisher kinetic coefficient ℏ²/(2m) is spatially uniform. By promoting it to a dynamical field, the paper produces a concrete experimental signature in cold-atom Bose-Einstein condensates and identifies the parameter window in which current Bragg spectroscopy can detect or constrain the effect.

  • Promotion of the Fisher coefficient to a dynamical scalar field B(x) with kinetic term and potential.
  • Three-scalar embedding (ℓ, B, Φ) satisfying equivalence principle and general covariance at leading EFT order.
  • Modified BEC phonon dispersion with δα_eff/α_eff correlated to local (∂ρ)², distinguishable from temperature, size, and three-body systematics.
  • Detectable parameter window m_B ∈ [1, 10] eV at the few-percent level in current Bragg spectroscopy.
  • A null result at the 1% level constrains m_B ≳ 10 eV within the detectable window.