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DY: Fachverband Dynamik und Statistische Physik

DY 15: ISPS Intersectional Poster Session

DY 15.27: Poster

Tuesday, March 15, 2011, 18:00–20:00, P1

Quantum Correlations in Disordered Systems — •Dominik Hörndlein, Vivian França, and Andreas Buchleitner — Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg im Breisgau, Germany

In recent years, quantum correlations and entanglement in solid state systems have been examined with respect to their influence on the system's properties, as for example on charge transport. In this context, the impact of disorder in real-life solids is still an unclear issue. Therefore, we investigate the electronic correlations in one-dimensional atomic systems in the presence of disordered impurities. Our numerical studies are based on the Hubbard model, which is a standard model for describing electronic interactions in solids. Considering different probability distributions for the impurities, ranging from total order to total randomness, we analyse the usefulness of various types of quantum correlations for quantifying and characterizing the entanglement in these differently disordered systems.