| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1865518 | Physics Letters A | 2006 | 7 Pages |
Abstract
The problem of unambiguous discrimination between mixed quantum states is addressed by isolating the part of each mixed state which has no contribution to discrimination and by employing the strategy of set discrimination of pure states. A necessary and sufficient condition of unambiguous mixed state discrimination is presented. An upper bound of the efficiency is also derived.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Chi Zhang, Yuan Feng, Mingsheng Ying,