Entanglement generation between distant atoms by Lyapunov control

Xiaoting Wang and S. G. Schirmer
Phys. Rev. A 80, 042305 – Published 6 October 2009

Abstract

We show how to apply Lyapunov control design to the problem of entanglement creation between two atoms in distant cavities connected by optical fibers. The Lyapunov control design is optimal in the sense that the distance from the target state decreases monotonically and exponentially, and the concurrence increases accordingly. This method is far more robust than simple geometric schemes.

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  • Received 15 June 2009

DOI:https://doi.org/10.1103/PhysRevA.80.042305

©2009 American Physical Society

Authors & Affiliations

Xiaoting Wang* and S. G. Schirmer

  • Department of Applied Maths and Theoretical Physics, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA, United Kingdom

  • *xw233@cam.ac.uk
  • sgs29@cam.ac.uk

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Issue

Vol. 80, Iss. 4 — October 2009

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