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KTH/Nordita/SU seminar in Theoretical Physics

Non-classical multiphoton correlations

by Marek Zukowski (Gdansk)

FB41 (AlbaNova)



Roslagstullbacken 21
Current experimental methods to produce multiphoton corelations will be reviewed, as well as (theoretical) tools to detect their non-classicality. Communication complexity problems will be presented as an application of such phenomena. Quantum solutions for such problems can beat classical limits. Despite the fact that these classical limits for some problems take form of Bell inequalities, it will be shown that there exists quantum solutions which do not involve entanglement. Technical problems of solutions with entanglement will be discussed. Links to other quantum information problems will be presented.