Almost local generation of Einstein-Podolsky-Rosen entanglement in nonequilibrium open systems

Rebecca Schmidt, Jürgen T. Stockburger, and Joachim Ankerhold
Phys. Rev. A 88, 052321 – Published 19 November 2013

Abstract

The generation of entanglement in an open system is studied in a model consisting of two independent Gaussian parties sharing a conventional heat bath environment. Reservoirs of this type appear in a broad class of condensed phase systems and themselves are insufficient to generate entanglement from initially separable states. Already local driving by an external classical field, however, is sufficient to promote this system-bath interaction to a source of entanglement. The presence or absence of the effect depends on the specific pulse shape of the external control, which we determine through optimal-control techniques.

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  • Received 28 May 2013

DOI:https://doi.org/10.1103/PhysRevA.88.052321

©2013 American Physical Society

Authors & Affiliations

Rebecca Schmidt*, Jürgen T. Stockburger, and Joachim Ankerhold

  • Institut für Theoretische Physik, Universität Ulm, Albert Einstein-Allee 11, 89069 Ulm, Germany

  • *rebecca.schmidt@uni-ulm.de
  • Present address: Department of Physics, Dartmouth College, Hanover, New Hampshire, USA.

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Issue

Vol. 88, Iss. 5 — November 2013

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