Litcius/Paper detail

Structure of quantum entanglement at a finite temperature critical point

Tsung-Cheng Lu, Tarun Grover

2020Physical Review Research32 citationsDOIOpen Access PDF

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