Skip to main content
Share Your Experience: Take the 2024 Developer Survey

New answers tagged

2 votes

What is a measurement that always identifies $|0\rangle$ but can misidentify $|1\rangle$?

If I understand the question, you're looking for a state strategy to discriminate $|0\rangle$ and $|1\rangle$, with zero error when the input is $|0\rangle$, but some error when it's $|1\rangle$. You ...
glS's user avatar
  • 25.3k
1 vote

What is a measurement that always identifies $|0\rangle$ but can misidentify $|1\rangle$?

Consider the measurement as the only component affecting a state $\sigma$. You can model your problem as a quantum channel $\mathcal{N}\circ \mathcal{I}$, with $\mathcal{I}$ being the identity channel,...
Daniele Cuomo's user avatar

Top 50 recent answers are included