# Quantum discord

## Papers overview

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2015

2015

- Quantum Information Processing
- 2015

For any bipartite state, how strongly can one subsystem be quantum correlated with another? Using the Koashiâ€“Winter relation, weâ€¦Â (More)

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2014

2014

- 2014

We study the computational complexity of quantum discord (a measure of quantum correlation beyond entanglement), and prove thatâ€¦Â (More)

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2014

2014

- 2014

In this paper, we provide a simple relation for the conditional entropy as the difference of two Shannon entropies. This relationâ€¦Â (More)

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2013

2013

- 2013

We define a new measure of quantum correlations in bipartite quantum systems given by the Bures distance of the system state toâ€¦Â (More)

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2011

2011

- ArXiv
- 2011

We present an operational interpretation of quantum discord based on the quantum state merging protocol. Quantum discord is theâ€¦Â (More)

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Highly Cited

2010

Highly Cited

2010

- Physical review letters
- 2010

Quantum discord characterizes "nonclassicality" of correlations in quantum mechanics. It has been proposed as the key resourceâ€¦Â (More)

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2010

2010

- Physical review letters
- 2010

We extend the quantum discord to continuous variable systems and evaluate Gaussian quantum discord C(Ï±) for bipartite Gaussianâ€¦Â (More)

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Highly Cited

2010

Highly Cited

2010

- 2010

Mazhar Ali,1,3,* A. R. P. Rau,2 and G. Alber1 1Institut fÃ¼r Angewandte Physik, Technische UniversitÃ¤t Darmstadt, Darmstadt Dâ€¦Â (More)

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2009

2009

- 2009

We discuss the behavior of quantum and classical pairwise correlations in critical systems, with the quantumness of theâ€¦Â (More)

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2002

2002

- 2002

Quantum discord was proposed as an information theoretic measure of the " quantumness " of correlations. I show that discordâ€¦Â (More)

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