Advanced Quantum Mechanics Schwabl · Problem 4.6

Relativistic Wave Equations and their Derivation

Physics — Quantum Mechanics · kubo-relaxation-function-derivation

Problem

Derive the relation (4.8.32b) ϕAB(ω)=1iω(χAB(ω)−χAB(0))\phi_{AB}(\omega) = \frac{1}{\mathrm{i}\omega}\left(\chi_{AB}(\omega) - \chi_{AB}(0)\right) by suitable partial integration, and using ϕAB(t=∞)=0\phi_{AB}(t = \infty) = 0.

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