Volume 62, Number 5, June 2003
|Page(s)||615 - 621|
|Published online||01 May 2003|
The role of entanglement in dynamical evolution
Massachusetts Institute of Technology, Research Laboratory of Electronics 77 Massachusetts Ave., Cambridge, MA 02139, USA
2 Massachusetts Institute of Technology, Department of Mechanical Engineering 77 Massachusetts Ave., Cambridge, MA 02139, USA
Accepted: 8 April 2003
Entanglement or entanglement-generating interactions permit to achieve the maximum allowed speed in the dynamical evolution of a composite system, when the energy resources are distributed among subsystems. The cases of pre-existing entanglement and of entanglement-building interactions are separately addressed. The role of classical correlations is also discussed.
PACS: 03.65.-w – Quantum mechanics / 03.65.Ud – Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) / 03.67.-a – Quantum information
© EDP Sciences, 2003
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