Analytical solutions and criteria for the quantum discord of two-qubit \(X\)-states

DOI10.1007/s11128-015-0943-yzbMath1317.81033arXiv1501.06900OpenAlexW2092526062MaRDI QIDQ2355602

A. Maldonado-Trapp, Luis Roa, Anzi Hu

Publication date: 24 July 2015

Published in: Quantum Information Processing (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1501.06900

zbMATH Keywords

quantum correlationsquantum informationquantum discord\(X\)-states

Mathematics Subject Classification ID

Quantum coherence, entanglement, quantum correlations (81P40)

Related Items (18)

A note on one-way quantum deficit and quantum discord ⋮ Controlling steady-state entanglement and quantum discord through squeezing angle ⋮ Two-qubit correlation in two independent environments with indefiniteness ⋮ One-way quantum deficit and decoherence for two-qubit \(X\) states ⋮ Environmental effects on two-qubit correlation in the dispersive Jaynes-Cummings model ⋮ SLOCC orbit of rank-deficient two-qubit states: quantum entanglement, quantum discord and EPR steering ⋮ A Characterization of Entangled Two‐Qubit States via Partial‐Transpose‐Moments ⋮ Study on estimating quantum discord by neural network with prior knowledge ⋮ Quantum advantage beyond entanglement in Bayesian game theory ⋮ Realizing quantum advantage without entanglement in single-photon states ⋮ Quantum discord for two-qubit systems in the Bloch channel: effects of longitudinal and transversal relaxation times ⋮ Extremal properties of conditional entropy and quantum discord for XXZ, symmetric quantum states ⋮ Asymmetry of locally available and locally transmitted information in thermal two-qubit states ⋮ Phase diagram for the one-way quantum deficit of two-qubit X states ⋮ The transformation from pure states to \(X\) states under incoherent operations ⋮ Quantum correlation properties in two qubits one-axis spin squeezing model ⋮ One-way quantum deficit for \(2\otimes d\) systems ⋮ On the quantum discord of general \(X\) states

Uses Software

• Mathematica

Cites Work

• Unnamed Item
• Unnamed Item
• Classical, quantum and total correlations
• QUANTUM DISCORD AND RELATED MEASURES OF QUANTUM CORRELATIONS IN FINITE XY CHAINS
• Algebraic characterization ofX-states in quantum information
• Convergence of simulated annealing using the generalized transition probability
• Quantum Discord: A Measure of the Quantumness of Correlations
• Quantum correlations as precursors of entanglement
• Computing quantum discord is NP-complete
• Entanglement of Formation of an Arbitrary State of Two Qubits
• Elements of Information Theory
• Tomographic causal analysis of two-qubit states and tomographic discord

This page was built for publication: Analytical solutions and criteria for the quantum discord of two-qubit \(X\)-states