Fermi DSA: s = 1 - log(P_esc)/log(β_ratio); s=2 for strong r=4 shock

Layer 1 — Physicsin the astroparticle-physics subtree

Sympy-exact symbolic witness of the Fermi-DSA spectral-index formula and its strong-shock limit. Setup: P_esc, β_ratio, r sp-symbols positive. Spectral index s = 1 - log(P_esc)/log(β_ratio) (sympy canonical…

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