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For a real field with fixed orthogonal J2=−1J^2=-1, define

ρ=∣ψ∣2/2,e=ψ/∣ψ∣,ai=⟨Je,∂ie⟩,Bij=⟨∂ie,∂je⟩−aiaj. \rho=|\psi|^2/2,\qquad e=\psi/|\psi|,\qquad a_i=\langle Je,\partial_i e\rangle,\qquad B_{ij}=\langle\partial_i e,\partial_j e\rangle-a_i a_j.

The positive-semidefinite matrix BB describes spatial orientation gradients. The underlying coordinates remain ordinary physical coordinates in R10\mathbb R^{10}. Real field-component pairs are not additional dimensions. Let L0>0L_0>0 be a supplied length and choose one positive scalar function m(C)m(C) of C=L02BC=L_0^2B. The action is

L=∫12⟨Jψ,∂tψ⟩ dx−H,H=∫ρw dx,w=m(C)2+c2∣a∣2. \mathcal L=\int\frac12\langle J\psi,\partial_t\psi\rangle\,dx-H, \qquad H=\int\rho w\,dx,\qquad w=\sqrt{m(C)^2+c^2|a|^2}.

Its canonical equation is ψt=JδH/δψ\psi_t=J\delta H/\delta\psi and its complete action and translation momentum are S=∫ρS=\int\rho and Pi=−∫ρaiP_i=-\int\rho a_i. Write Mij=∂w/∂BijM_{ij}=\partial w/\partial B_{ij}, bi=c2ai/wb_i=c^2a_i/w, qi=ρ(bi−2Mijaj)q_i=\rho(b_i-2M_{ij}a_j) and Q=1−eeTQ=1-ee^T. The full functional derivative is

δHδψ=wψ+QG∣ψ∣,G=−2qiJ∂ie−(∂iqi)Je−2∂i(ρMij∂je). \frac{\delta H}{\delta\psi}=w\psi+\frac{QG}{|\psi|},\qquad G=-2q_iJ\partial_i e-(\partial_iq_i)Je -2\partial_i(\rho M_{ij}\partial_j e).

At a constant selected matrix with Dm=0Dm=0, the exact equation reduces to

ψt=b⋅∇ψ+12(∇⋅b)ψ+(w−b⋅a)Jψ. \psi_t=b\cdot\nabla\psi+\frac12(\nabla\cdot b)\psi +(w-b\cdot a)J\psi.

The tangent projector supplies the essential last subtraction. Let e0e_0 be a unit texture with a0=0a_0=0, constant C=C∗C=C_*, m(C∗)=ωm(C_*)=\omega and Dm(C∗)=0Dm(C_*)=0. For any admissible smooth envelope ff and constant physical covector pp, put wp=ω2+c2∣p∣2w_p=\sqrt{\omega^2+c^2|p|^2} and b=c2p/wpb=c^2p/w_p. Then the complete spatial field

ψ(t,x)=eJ(p⋅x+wpt)f(x+bt)e0(x+bt) \psi(t,x)=e^{J(p\cdot x+w_pt)}f(x+bt)e_0(x+bt)

solves this equation. Both the envelope and its internal texture translate. The complete quantities satisfy

E=Swp,P=−Sp,v=−b,E2−c2∣P∣2=(Sω)2,P=Ev/c2. E=Sw_p,\qquad P=-Sp,\qquad v=-b,\qquad E^2-c^2|P|^2=(S\omega)^2,\qquad P=Ev/c^2.

The comoving clock is ω2/wp\omega^2/w_p, and the rest inertia is Sω/c2>0S\omega/c^2>0. The speed parameter cc was inserted into the action; these branch relations do not establish full Lorentz covariance or a Lorentz-contracted profile. Fixing S=AS=A gives the common integrated Erest/ω=AE_{\rm rest}/\omega=A without fitting a separate mass amplitude.

A Common Finite-Ladder Matrix Law

For KN={k∈N0d:∣k∣1≤N}K_N=\{k\in\mathbb N_0^d:|k|_1\le N\} and D=(N+dd)D=\binom{N+d}{d}, take mutually orthogonal real component vectors uk,vku_k,v_k whose JJ images are also mutually orthogonal, and set

e0,N=D−1/2∑k∈KN[ukcos⁡(k⋅x/L0)+vksin⁡(k⋅x/L0)]. e_{0,N}=D^{-1/2}\sum_{k\in K_N} [u_k\cos(k\cdot x/L_0)+v_k\sin(k\cdot x/L_0)].

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