Manuscript Em03-F@1 · Em03-F-v1.tex · section · 0d4d148b

Time ordering without an unbounded Duhamel shortcut

The source and its exact compact interaction › Time ordering without an unbounded Duhamel shortcut · lines 634–646

Em03-F@1#eq:phase

For $t \geq t_{0}$ , define

K (t, t_{0}) = \int_{t_{0}}^{t} k_{u} d u,

γ (t, t_{0}) = - \frac{g ^{2}}{2} \int_{t_{0}}^{t} d u \int_{t_{0}}^{u} d v σ (k_{u}, k_{v}) .

Displayed formulas in this passage

Em03-F@1#eq:phase · line 640
$γ (t, t_{0}) = - \frac{g ^{2}}{2} \int_{t_{0}}^{t} d u \int_{t_{0}}^{u} d v σ (k_{u}, k_{v}) .$
unlabeled · line 637
$K (t, t_{0}) = \int_{t_{0}}^{t} k_{u} d u,$