Dresden 2017 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 28: Posters - Dynamics of Many-Body Systems

DY 28.4: Poster

Dienstag, 21. März 2017, 18:15–21:00, P3

The role of particle (in-)distinguishability for many-particle dynamics in optical lattices — Tobias Brünner, Gabriel Dufour, •Alberto Rodríguez, and Andreas Buchleitner — Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, D-79104 Freiburg, Germany

Much attention has been dedicated so far to the dynamical impact of interactions ---which often can be associated with the progressive suppression of coherence phenomena. On the other hand, little is known on the fundamental role of the interacting particles' degree of mutual (in-)distinguishability in such experiments. We have learnt from a new generation of photonic interference experiments and theory that controlling the degree of (in-)distinguishability unveils novel many-particle interference phenomena. We import this program into the realm of controlled, interacting many-particle quantum systems, specifically for cold atoms in optical lattices, and identify statistical, experimentally readily accessible quantifiers to infer the particles' degree of distinguishability.