Results 41 to 50 of about 1,032,322 (286)
Invariant quantum discord in qubit-qutrit systems under local dephasing [PDF]
, 2012 We investigate the dynamics of quantum discord and entanglement for a class of mixed qubit-qutrit states assuming that only the qutrit is under the action of a dephasing channel. We demonstrate that even though the entanglement in the qubit-qutrit state
Karpat, Göktuğ +3 more
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IEEE Photonics Journal, 2018 We investigate the decay properties of the quantumness including quantum entanglement, quantum discord, and quantum coherence for two photonic qubits, which are partially entangled in their orbital angular momenta, through Kolmogorov turbulent atmosphere.
Mei-Song Wei +3 more
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A Pedagogical Overview of Quantum Discord [PDF]
Open Systems & Information Dynamics, 2014 Recent measures of nonclassical correlations are motivated by different notions of classicality and operational means. Quantum discord has received a great deal of attention in studies involving quantum computation, metrology, dynamics, many-body physics, and thermodynamics.
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Composite Discordant States and Quantum Darwinism
Entropy, 2022 The framework of Quantum Darwinism strives at characterizing the quantum-to-classical transition by introducing the concept of redundancy of information—as measured by Mutual Information—that a set of observers would acquire on the state of a physical system of interest.
Eoghan Ryan, Mauro Paternostro
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Analytic Expression of Quantum Discords in Werner States under LQCC
Entropy, 2020 In this paper, quantum discords in a special kind of states, i.e., Werner states by local quantum operations and classical communication (LQCC) protocols (WLQCC states), are studied.
Chuanmei Xie +3 more
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Computing quantum discord is NP-complete
New Journal of Physics, 2014 We study the computational complexity of quantum discord (a measure of quantum correlation beyond entanglement), and prove that computing quantum discord is NP-complete.
Yichen Huang
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A new entropic quantum correlation measure for adversarial systems
Scientific Reports, 2023 Quantum correlation often refers to correlations exhibited by two or more local subsystems under a suitable measurement. These correlations are beyond the framework of classical statistics and the associated classical probability distribution.
Biveen Shajilal +3 more
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Quantum Discord Cannot Be Shared
Physical Review Letters, 2013 5 pages, 3 ...
Streltsov, Alexander, Zurek, Wojciech H.
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Quantum discord: ‘discord’ between the whole and its constituent [PDF]
Journal of Physics A: Mathematical and Theoretical, 2012 Quantum discord, a measure of quantum correlation beyond entanglement, is initially defined as the discord between two classically equivalent while quantum discordant definitions of mutual information. In this paper, we report some new interpretations of discord which rely on the differences between measurement induced effects on the local measured ...
Ren, X. -J., Fan, H.
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Simultaneous sudden change in the exact values of geometric quantum discord and measurement induced nonlocality [PDF]
Iranian Journal of Astronomy and Astrophysics, 2018 Recent studies show that two completely distinct fields as quantum information and string theory realization can be related and share some of the same properties.
Samira Nazifkar, Hakimeh Jaghouri
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