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Hannover 2010 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 55: Poster II

Q 55.41: Poster

Donnerstag, 11. März 2010, 16:00–19:00, Lichthof

Quantum key distribution with finite resources: calculating the min-entropy — •Sylvia Bratzik, Markus Mertz, Hermann Kampermann, Silvestre Abruzzo, and Dagmar Bruß — Heinrich-Heine-Universität, Universitätsstr.1, 40225 Düsseldorf

The min-entropy is an important quantity in quantum key distribution [1]. Recently, a connection between the min- entropy and the minimal-error discrimination problem was found [2]. We use this connection to evaluate the min-entropy for different quantum key distribution setups.

[1]R. Renner. Security of quantum key distribution. International Journal of Quantum Information, 6(1):1-127, 2008.

[2]R. König, R. Renner, and Ch. Schaffner. The operational meaning of min- and max-entropy. IEEE Trans. Inf. Th., 55(9), 2009.

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