Equilibrium entanglement vanishes at finite temperature
arXiv:cond-mat/0505739 · doi:10.1103/PhysRevB.71.153105
Abstract
We show that the equilibrium entanglement of a bipartite system having a finite number of quantum states vanishes at finite temperature, for arbitrary interactions between its constituents and with the environment.
2 pages, no figures, first submitted on July 22, 2004