Manuscript VII-E@1 · VII-E.tex · definition · b713cf3c

Definition: Represented nondestructive instrument

Types, states, and external geometry › Three measurement interfaces · lines 458–468

VII-E@1#def:represented, VII-E@1#eq:nondestructive

The represented computational-basis instrument is

I_{S}^{nd} (ρ) = z \sum ∣ z ⟩ ⟨ z ∣_{R} \otimes P_{z} ρ P_{z} .

Its residual output is on $S \otimes B$ . It is not the destructive primitive.

Displayed formulas in this passage

VII-E@1#eq:nondestructive · line 461
$I_{S}^{nd} (ρ) = z \sum ∣ z ⟩ ⟨ z ∣_{R} \otimes P_{z} ρ P_{z} .$