Many-Body Entanglement: a New Application of the Full Counting Statistics
arXiv:0901.3391 · doi:10.1063/1.3149497
Abstract
Entanglement entropy is a measure of quantum correlations between separate parts of a many-body system, which plays an important role in many areas of physics. Here we review recent work in which a relation between this quantity and the Full Counting Statistics description of electron transport was established for noninteracting fermion systems. Using this relation, which is of a completely general character, we discuss how the entanglement entropy can be directly measured by detecting current fluctuations in a driven quantum system such as a quantum point contact.
8 pgs, 4 fgs