Speaker: Matthias Christandl, Department of Mathematical Sciences, University of Copenhagen

Abstract:

Entanglements are the strong correlations that arise in quantum mechanics. Today we think of them as resources that are being consumed in quantum computation and communication. The teleportation of one qubit from Alice to Bob, for instance, requires one pair of entangled qubits. Measuring the amount of entanglement is thus an essential skill, not least for benchmarking current experiments. In the colloquium, I will explain the recent advances in the theoretical understanding of multiparticle entanglement and discuss the experimental ramifications. 

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