Structure of quantum entanglement at a finite temperature critical point
Tsung-Cheng Lu, Tarun Grover
Abstract
The authors propose a scheme to characterize quantum entanglement close to a finite temperature critical point using an entanglement measure for mixed states. They show that despite a diverging correlation length at the critical point, the entanglement is only short-ranged.
Topics & Concepts
Quantum entanglementQuantum mechanicsQuantum discordPhysicsMeasure (data warehouse)Squashed entanglementW stateAmplitude damping channelQuantumCritical point (mathematics)Quantum metrologyStatistical physicsPoint (geometry)Multipartite entanglementQuantum sensorEntanglement witnessQuantum correlationQuantum informationQuantum critical pointMathematicsQuantum phasesQuantum Information and CryptographyQuantum many-body systemsQuantum Mechanics and Applications