Equilibrium entanglement vanishes at finite temperature
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.
- Publication:
-
Physical Review B
- Pub Date:
- April 2005
- DOI:
- 10.1103/PhysRevB.71.153105
- arXiv:
- arXiv:cond-mat/0505739
- Bibcode:
- 2005PhRvB..71o3105F
- Keywords:
-
- 03.67.-a;
- 03.67.Mn;
- 89.70.+c;
- Quantum information;
- Entanglement production characterization and manipulation;
- Information theory and communication theory;
- Condensed Matter - Statistical Mechanics;
- Condensed Matter - Other Condensed Matter;
- Quantum Physics
- E-Print:
- 2 pages, no figures, first submitted on July 22, 2004