| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1866523 | Physics Letters A | 2006 | 7 Pages |
Abstract
We discuss the accuracy of the estimation of the n identical unknown actions of SU(2) by using entanglement. This problem has a similar structure with the phase estimation problem, which was discussed by Bužek, Derka, and Massar [V. Bužek, et al., Phys. Rev. Lett. 82 (1999) 2207]. The estimation error asymptotically decreases to zero with an order of 1/n21/n2 at least.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Masahito Hayashi,