Continuity of quantum conditional information

2003/12/31 by R. Alicki, M. Fannes · 1 citation
Physics and Astronomy · #quant-ph

paper · pdf · doi:10.1088/0305-4470/37/5/l01

published as J.Phys.A:Math.Gen.37 (2004) L55 · 4 pages, 1 figure, minor changes in the title and the text

arxiv created 2011/04/14 · arxiv updated 2015/06/26

Abstract

We prove continuity of quantum conditional information S(ρ¹²| ρ²) with respect to the uniform convergence of states and obtain a bound which is independent of the dimension of the second party. This can, e.g., be used to prove the continuity of squashed entanglement.

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