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One-Way Quantum Deficit for 2 ⊗ d Systems.
- Source :
-
International Journal of Theoretical Physics . Aug2016, Vol. 55 Issue 8, p3637-3643. 7p. - Publication Year :
- 2016
-
Abstract
- We investigate one-way quantum deficit for 2 ⊗ d systems. Analytical expressions of one-way quantum deficit under both von Neumann measurement and weak measurement are presented. As an illustration, qubit-qutrit systems are studied in detail. It is shown that there exists non-zero one-way quantum deficit even quantum entanglement vanishes. Moreover, one-way quantum deficit via weak measurement turns out to be weaker than that via von Neumann measurement. The dynamics of entanglement and one-way quantum deficit under dephasing channels is also investigated. [ABSTRACT FROM AUTHOR]
- Subjects :
- *QUANTUM entanglement
*QUANTUM entropy
*QUANTUM states
*QUBITS
*MEASUREMENT
Subjects
Details
- Language :
- English
- ISSN :
- 00207748
- Volume :
- 55
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- International Journal of Theoretical Physics
- Publication Type :
- Academic Journal
- Accession number :
- 116621680
- Full Text :
- https://doi.org/10.1007/s10773-016-2993-z