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Quantum and classical advantage distillation are not equivalent
Dagomir Kaszlikowski, Lim Jenn Yang, L. C. Kwek +1
We report that, for the generation of a secure cryptographic key from correlations established through a noisy quantum channel, the quantum and classical advantage distillation pro…
Three qubit GHZ correlations and generalised Bell experiments
D. Kaszlikowski, M. Zukowski
We present a brief historical introduction to the topic of Bell's theorem. Next we present the surprising features of the three particle Greenberger-Horne-Zeilinger (GHZ) states. F…
Quantum Cryptography Based On Bell Inequalities for Three-Dimensional System
Dagomir Kaszlikowski, Kelken Chang, Daniel Kuan Li Oi +2
We present a crytographic protocol based upon entangled qutrit pairs. We analyse the scheme under a symmetric incoherent attack and plot the region for which the protocol is secure…
Clauser-Horne-Bell inequality for three three-dimensional systems
Jing-Ling Chen, Dagomir Kaszlikowski, L. C. Kwek +1
In this paper we show a Bell inequality of Clauser-Horne type for three three-dimensional systems (qutrits). Violation of the inequality by quantum mechanics is shown for the case…
Going beyond GHZ paradox
Dagomir Kaszlikowski, Darwin Gosal, E. J. Ling +3
We present numerical data showing, that three qutrit correlations for a pure state, which is not maximally entangled, violate local realism more strongly than three-qubit correlati…
Clauser-Horne inequality for qutrits
Dagomir Kaszlikowski, L. C. Kwek, Jing-Ling Chen +2
In this brief report we show the new Bell-Clauser-Horne inequality for two entangled three dimensional quantum systems (so called qutrits). This inequality is violated by a maximal…