Closed-form rational pin of the Sommerfeld Lorenz number. L_0 = π²·k_B²/(3·e²); rescaled ratio L_0·e²/k_B² = π²/3 exactly — a dimensionless rational multiple of π². Sympy symbolic evaluation of the Sommerfeld integrals ∫_0^∞ dε·ε·(∂f/∂ε)…
Closed-form rational pin of the Sommerfeld Lorenz number. L_0 = π²·k_B²/(3·e²); rescaled ratio L_0·e²/k_B² = π²/3 exactly — a dimensionless rational multiple of π². Sympy symbolic evaluation of the Sommerfeld integrals ∫_0^∞ dε·ε·(∂f/∂ε)…