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Quantum Foundations
Nondestructive identification of the Bell diagonal state
arXiv
Authors: Jia-sen Jin, Chang-shui Yu, He-shan Song
Year
2011
Paper ID
29683
Status
Preprint
Abstract Read
~2 min
Abstract Words
85
Citations
N/A
Abstract
We propose a scheme for identifying an unknown Bell diagonal state. In our scheme the measurements are performed on the probe qubits instead of the Bell diagonal state. The distinguished advantage is that the quantum state of the evolved Bell diagonal state ensemble plus probe states will still collapse on the original Bell diagonal state ensemble after the measurement on probe states, i.e. our identification is quantum-state nondestructive. It is also shown finally how to realize our scheme in the framework of cavity electrodynamics.
Why This Paper Matters
- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
- It adds a 2011 reference point for readers tracking recent quantum research.
- We propose a scheme for identifying an unknown Bell diagonal state.
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