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Single-Particle Electrodynamics - Assassination Science

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− 25γ 10 (γ + 1) −2 ˙v 2 (v· ˙v)(v·σ)v + 6γ 11 (γ + 1) −3 ˙v 2 (v· ˙v)(v·σ)v<br />

+ 32γ 9 (γ + 1) −1 (v· ˙v)(v·¨v)(v·σ)v<br />

− 25γ 10 (γ + 1) −2 (v· ˙v)(v·¨v)(v·σ)v<br />

+ 6γ 11 (γ + 1) −3 (v· ˙v)(v·¨v)(v·σ)v,<br />

Evaluating all these quantities for v = 0, we find<br />

U 0∣ ∣ ∣v=0 = 1,<br />

U| v=0<br />

= 0,<br />

[ ˙U 0 ] ∣ = 0,<br />

v=0<br />

[ U] ˙ ∣ ∣v=0 = ˙v,<br />

[Ü 0 ] ∣ = ˙v 2 ,<br />

v=0<br />

[Ü] ∣ ∣∣v=0<br />

= ¨v,<br />

[ U ...<br />

0 ] ∣ = 3( ˙v·¨v),<br />

v=0<br />

[ U] ... ∣ ∣v=0 = v ... + 4 ˙v 2 ˙v,<br />

[ U ....<br />

0 ] ∣ = 13 ˙v 4 + 3¨v 2 + 4( ˙v·... v),<br />

v=0<br />

[ U] .... ∣ ∣v=0 = .... v + 10 ˙v 2¨v + 15( ˙v·¨v) ˙v,<br />

Σ 0∣ ∣ ∣v=0 = 0,<br />

Σ| v=0<br />

= σ,<br />

[ Σ ˙<br />

0 ] ∣ = ( ˙v·σ),<br />

v=0<br />

[ ˙Σ]<br />

∣ = ˙σ,<br />

v=0<br />

426

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