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Publisher Correction: Direct quantum process tomography via measuring sequential weak values of incompatible
Yosep Kim1, Yong-Su Kim2, Sang-Yun Lee2
1Department of Physics, Pohang University of Science and Technology (POSTECH), 37673, Pohang, Korea.
Nature Communications
|February 24, 2018
Summary
This article corrects a minor error in the original publication regarding quantum state rotations. The updated text accurately describes how specific rotations implement quantum measurement operators.
Area of Science:
- Quantum Information Science
- Quantum Computing
- Theoretical Physics
Background:
- Accurate representation of quantum states and operators is crucial for theoretical and experimental quantum information processing.
- Previous descriptions of quantum state transformations required precise mathematical formulation.
Purpose of the Study:
- To correct a factual error in the published description of quantum state rotations.
- To ensure the accurate implementation of quantum measurement observables.
Main Methods:
- Mathematical analysis of quantum state transformations.
- Correction of a specific sentence within the "Schematic and theory" section of the Results.
Main Results:
- The corrected sentence now accurately reflects the transformation of quantum basis states.
- The observable Â=|0><0|, |1><1|, |+><+| and |-><-| are correctly implemented through specified rotations.
Conclusions:
- The correction ensures the fidelity of the theoretical framework presented in the Article.
- Accurate theoretical descriptions are fundamental for advancing quantum technologies.
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