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Berlin 2014 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 5: Quantum information: Atoms and ions I

Q 5.6: Talk

Monday, March 17, 2014, 12:00–12:15, UDL HS3038

Structure, Dynamics and Bifurcations of Discrete Solitons in Trapped Ion Crystals — •Jonathan Brox1, Haggai Landa2, Philip Kiefer1, Manuel Mielenz1, Benni Reznik2, and Tobias Schaetz11Atom-, Molekül- und optische Physik, Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg — 2School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel

We study discrete solitons (kinks) accessible in state-of-the-art trapped ion experiments [1], considering zigzag crystals and quasi-3D configurations, both theoretically and experimentally[2]. We extend the theoretical understanding of different phenomena predicted and recently experimentally observed in the structure and dynamics of these topological excitations. Employing tools from topological degree theory, we analyze bifurcations of crystal configurations in dependence on the trapping parameters, and investigate the formation of kink configurations and the transformations of kinks between different structures. We present configurations of pairs of interacting kinks stable for long times, offering the perspective for exploring and exploiting complex collective nonlinear excitations, controllable on the quantum level.

[1] M. Mielenz et al., Phys. Rev. Lett. 110, 133004 (2013)

[2] H. Landa et al., New J. Phys. 15, 093003 (2013)

[3] H. Landa et al., arXiv:1308.2943

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