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Authors:
Miguel Navascues, Masaki Owari, Martin B. Plenio
In this paper, we present new progress on the study of the symmetric extension criterion for separability. First, we show that a perturbation of order O(1/N) is sufficient and, in general, necessary to destroy the entanglement of any state admitting an N Bose symmetric extension. On the other hand, the minimum amount of local noise necessary to induce separability on states arising from N Bose symmetric extensions with Positive Partial Transpose (PPT) decreases at least as fast as O(1/N^2).
Submitted by
Burgarth on Tue, 14/07/2009 - 19:26.
Submitted by
Anderss on Fri, 10/07/2009 - 22:44.
Submitted by
JMiszczak on Fri, 10/07/2009 - 10:52.
Single atoms have been spotted doing the quantum version of the random walk by physicists in Germany. This sighting of a “quantum walk” could help in the design of quantum search algorithms, or in the understanding of the transition from the quantum, microscopic world to the classical, macroscopic world.
Submitted by
Martlj on Mon, 06/07/2009 - 22:20.
The QI group at the University of Leeds is launching a new taught MSc programme in Quantum Technologies this year.
Submitted by
Eugenek on Thu, 02/07/2009 - 22:21.
The Department of Applied Mathematics at H.I.T. – Holon Institute of Technology (Holon, Israel) invites applications for a postdoctoral position in Mathematical Physics. The successful candidate is expected to be involved into a research at the crossroad of the Random Matrix Theory, Quantum Chaotic Systems, and the Theory of Integrable Hierarchies. Previous research record in one of those fields is an advantage, strong analytical skills is a must.
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