Measurement-induced geometric measures of correlations based on the trace distance for two-qubit X states

We apply the modified Brodutch and Modi method of constructing geometric measures of correlations to obtain analytical expressions for measurement-induced geometric classical and quantum correlations based on the trace distance for two-qubit X states. Moreover, we study continuity of the classical a...

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Bibliographic Details
Published inQuantum information processing Vol. 19; no. 7
Main Authors Walczak, Zbigniew, Bauer, Jarosław H.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.07.2020
Springer Nature B.V
Subjects
Correlation analysis
Data Structures and Information Theory
Mathematical analysis
Mathematical Physics
Physics
Physics and Astronomy
Quantum Computing
Quantum Information Technology
Quantum Physics
Qubits (quantum computing)
Spintronics
Classical and quantum correlations
Trace distance
Continuity of measures of correlations
Geometric measures of correlations
states
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Summary:We apply the modified Brodutch and Modi method of constructing geometric measures of correlations to obtain analytical expressions for measurement-induced geometric classical and quantum correlations based on the trace distance for two-qubit X states. Moreover, we study continuity of the classical and quantum correlations for these states. In particular, we show that these correlations may not be continuous.
ISSN:1570-0755
1573-1332
DOI:10.1007/s11128-020-02680-y