München 2019 – wissenschaftliches Programm

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MP: Fachverband Theoretische und Mathematische Grundlagen der Physik

MP 2: Verschränkung und Quanteninformation

MP 2.2: Vortrag

Montag, 18. März 2019, 16:55–17:15, HS 23

The quantum information bottleneck method — •Daniela Cadamuro — Institut für Theoretische Physik, Universität Leipzig, Brüderstraße 15, 04103 Leipzig, Deutschland

In information theory one is interested in compressing information, of which only some part is relevant. Specifically, here we consider a quantum compression-decompression channel where sender and receiver share some side information. We compute the rate at which information can be sent through the channel so that the compressed signal retains a fixed amount of correlation with the side information, and find the optimum compression channel. Classically, this procedure was called the Bottleneck method, which we extend here to the quantum information domain.