Physics – Quantum Physics
Scientific paper
2007-03-19
Phys. Rev. Lett. 99, 070501 (2007)
Physics
Quantum Physics
4 pages, 2 figures
Scientific paper
10.1103/PhysRevLett.99.070501
We address the problem of removing correlation from sets of states while preserving as much local quantum information as possible. We prove that states obtained from universal cloning can only be decorrelated at the expense of complete erasure of local information (i.e. information about the copied state). We solve analytically the problem of decorrelation for two qubits and two qumodes (harmonic oscillators in Gaussian states), and provide sets of decorrelable states and the minimum amount of noise to be added for decorrelation.
D'Ariano Giacomo M.
Demkowicz-Dobrzanski Rafal
Perinotti Paolo
Sacchi Massimiliano Federico
No associations
LandOfFree
Erasable and unerasable correlations 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 Erasable and unerasable correlations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Erasable and unerasable correlations will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-31901