Optimal reconstruction of a pure qubit state with local measurements

Physics – Quantum Physics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

8 pages, talk delivered at the 8th ICSSUR, Puebla (Mexico)

Scientific paper

We analyse the reconstruction of an unknown pure qubit state. We derive the optimal guess that can be inferred from any set of measurements on N identical copies of the system with the fidelity as a figure of merit. We study in detail the estimation process with individual von Neumann measurements and demonstrate that they are very competitive as compared to (complicated) collective measurements. We compute the expressions of the fidelity for large $N$ and show that individual measurement schemes can perform optimally in the asymptotic regime.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Optimal reconstruction of a pure qubit state with local measurements does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Optimal reconstruction of a pure qubit state with local measurements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optimal reconstruction of a pure qubit state with local measurements will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-199230

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.