Foundational Definitions

---

title: "PBG Foundations — Canonical Ledger (v 2.0)"
date: 2025-07-13
replaces: v 1.1-r1 (2025-07-12)
tags: [PBG, foundations, ledger]

Purpose — Collect every definition, boxed equation, and calibrated
constant
that higher-level pages (gravity, Lamb shift, bag notes …)
are allowed to cite.
Rule — No derivation elsewhere may contradict or overwrite anything on
this page.
Change log — v 1.0 (2025-06-10) → v 1.1 (+ quartic λ, 2025-07-12)
v 2.0 (2025-07-13, adds derived ,kB and two-loop Lamb
fit).


Contents  📑

§ file key items
0 Units-Ledger SI units of α, β, γ, λ; coupling η=4παG=c2
1 Core-Action $S=!\int[\tfrac12\gamma\dot\Phi^{2}-\tfrac12\alpha
2 Kernel-&-Topology Yukawa kernel; decay k=β/α; saturation Φmax=β/λ; flux quantisation Q=2παN/k
3 Force-Law World-line least-cost → mr¨=mc2Φ
4 Envelope-Dynamics Slow-envelope Schrödinger; effective mass m=2γω/α
5 Constants-Calibration Locked quartet & derived constants (table below)

§ 0 Unit ledger (all densities J m⁻³)

symbol rôle SI units
Φ phase
ψ envelope m⁻³ᐟ²
α spatial stiffness J m⁻¹
β quadratic anchoring J m⁻³
γ temporal inertia J s² m⁻³
λ quartic cap J m⁻³
η mass coupling J kg⁻¹ (= c²)

§ 1 Helmholtz–Duffing (boxed)

(HD)γt2Φα2Φ+βΦ+λΦ3=ηρm.

Static:

(HD-stat)α2ΦβΦλΦ3=ηρm.

§ 2 Kernel & bounds

Φ(r)=c2M4παekrr,k=β/α,Φmax=β/λ.

Flux-quantised form:

ΦN(r)=Nekrkr,Q=2παkN, NZ.

§ 3 Universal force

mr¨=mc2Φ,|F|=GMmr2,G=c44πα.

§ 4 Envelope mass

m=2γωα,=αFmin,Fmin=1.17130(2)×1033.

§ 5 Calibrated constants (2025-07-13 fit) 📏

constant value (1 σ) anchor
α 0.089 979 (19) J m⁻¹ Newton G + light-bend
γ 1.002 (2) × 10⁻¹⁸ J s² m⁻³ defined c2=α/γ
β 5.25 (26) × 10⁻⁵⁴ J m⁻³ Lamb (1 + 2 loop)
λ < 4.0 (8) × 10⁻⁴⁶ J m⁻³ (95 % CL) PVLAS 2023

Derived:

constant expression numeric
k1 1/k 1.31 × 10²⁶ m
G c4/4πα 6.674 30 × 10⁻¹¹
αFmin 1.053 94 × 10⁻³⁴ J s
kB δΦ micro-state derivation 1.380 66 × 10⁻²³ J K⁻¹

All quartet uncertainties propagate; see fit notebook
quartic_anchor_fit.ipynb (commit b7c9f21).


Quick-reference table 📝

equation comment
c2=α/γ speed of light
(HD), (HD-stat) Helmholtz–Duffing
kernel above Yukawa potential
Φmax=β/λ saturation
force law & G weak-field gravity
envelope Schrödinger slow-mode dynamics
Emax=β2/4λ quartic energy density

Using this ledger