Scaling of Tripartite Entanglement at Impurity Quantum Phase Transitions
Scaling of Tripartite Entanglement at Impurity Quantum Phase Transitions
The emergence of a diverging length scale in many-body systems at a quantum phase transition implies that total entanglement has to reach its maximum there. In order to fully characterize this, one has to consider multipartite entanglement as, for instance, bipartite entanglement between individual particles fails to signal this effect. …