Entanglement detection in quantum many-body systems using entropic uncertainty relations
Bjarne Bergh, Martin Gärttner
Abstract
The authors study experimentally accessible lower bounds on entanglement measures for quantum many-body systems based on entropic uncertainty relations. Rather than requiring the full reconstruction of the quantum state, the bound derived here requires measuring joint probability distributions in only two different measurement settings per subsystem.
Topics & Concepts
Quantum entanglementEntropic uncertaintyQuantum discordQuantumStatistical physicsQuantum stateQuantum systemUncertainty principleQuantum mechanicsMathematicsPhysicsQuantum Information and CryptographyQuantum many-body systemsQuantum Computing Algorithms and Architecture