Manuscript IV@1 · IV.tex · section · 351cb2d7

One Ramsey pattern, different generators

Shared conventions and elementary measurement facts › One Ramsey pattern, different generators · lines 526–538

IV@1#eq:Kraus

For any self-adjoint $A$ , real $τ, θ$ , put

U = e^{i τ A}, K_{\pm} = \frac{1}{2} (I \pm e^{- i θ} U) .

The associated Schrödinger operations are

I_{\pm} (ρ) = K_{\pm} ρ K_{\pm}^{*} .

Displayed formulas in this passage

IV@1#eq:Kraus · line 529
$U = e^{i τ A}, K_{\pm} = \frac{1}{2} (I \pm e^{- i θ} U) .$
unlabeled · line 535
$I_{\pm} (ρ) = K_{\pm} ρ K_{\pm}^{*} .$