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- Title
The Transformation From Pure States to X States Under Incoherent Operations.
- Authors
Wang, Ying; Zhao, Ming-Jing; Zhang, Ting-Gui
- Abstract
We study the conversion between pure states and X states under incoherent operations. We derive an optimal pure state decomposition of X state such that all pure state decompositions of X state are majorized by it. Then we show a necessary and sufficient condition for pure states which can be converted into X state under incoherent operations. We also obtain an optimal pure state related to X state such that all pure states that can be converted to X state by incoherent operations are majorized by it. The incoherent operations converting the pure state into X state are analyzed. The coherence measure is also calculated for X states.
- Subjects
MEASUREMENT
- Publication
International Journal of Theoretical Physics, 2021, Vol 60, Issue 8, p2976
- ISSN
0020-7748
- Publication type
Article
- DOI
10.1007/s10773-021-04884-z