Berlin 2014 – wissenschaftliches Programm

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MP: Fachverband Theoretische und Mathematische Grundlagen der Physik

MP 2: Quanten-Information II

MP 2.2: Vortrag

Montag, 17. März 2014, 16:50–17:10, SPA SR125

Tomography of Quantum Fields — •Carlos Riofrío, Adrian Steffens, Robert Hübener, and Jens Eisert — Freie Universität Berlin, Germany

Understanding the fundamental interactions in many-body physical systems is of great interest in current theoretical and experimental efforts. Of particular recent interest are quantum simulations of processes of non-equilibrium, equilibration and thermalization. In this context, the problem of developing tools for identifying and reconstructing the state of such systems has become interesting on a practical level. We will present a novel approach in that direction and discuss an application for reconstructing quantum field states from low order correlation functions measured in current atom chip experiments. We concentrate on one dimensional systems with spatially limited entanglement which are well described by the continuous matrix product state (cMPS) formalism, and employ recent mathematical theorems concerning their structure for tomographic access.

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DPG-Physik > DPG-Verhandlungen > 2014 > Berlin