Quantifying nonclassicality with local unitary operations
β Scribed by Gharibian, Sevag
- Book ID
- 115521970
- Publisher
- The American Physical Society
- Year
- 2012
- Tongue
- English
- Weight
- 159 KB
- Volume
- 86
- Category
- Article
- ISSN
- 1050-2947
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π SIMILAR VOLUMES
The unitary evolution can be represented by a finite product of exponential operators. It leads to a perturbative expression of the density operator of a close system. Based on the perturbative expression scheme, we present an entanglement measure. This measure has the advantage that it is easy to c
## Abstract Unitary transformations of operators and variables are considered for those cases when a Hermitian operator in the expression **U** = exp (__i__**S**) explicitly depends on the projection operators. Some simple examples of such transformations are given and the equations obtained which