Entangling Operations and Their Implementation Using a Small Amount of Entanglement

J. I. Cirac; W. Dür; B. Kraus; M. Lewenstein

doi:10.1103/PhysRevLett.86.544

Entangling Operations and Their Implementation Using a Small Amount of Entanglement

J. I. Cirac, W. Dür, B. Kraus, and M. Lewenstein

Phys. Rev. Lett. 86, 544 – Published 15 January 2001

Abstract

We study when a physical operation can produce entanglement between two systems initially disentangled. The formalism we develop allows us to show that one can perform certain nonlocal operations with unit probability by performing local measurement on states that are weakly entangled.

Received 18 July 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.544

Authors & Affiliations

J. I. Cirac¹, W. Dür¹, B. Kraus¹, and M. Lewenstein²

¹Institut für Theoretische Physik, Universität Innsbruck, A-6020 Innsbruck, Austria
²Institut für Theoretische Physik, Universität Hannover, Hannover, Germany