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Berlin 2014 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 32: Poster: Quantum gases, ultracold atoms and molecules

Q 32.64: Poster

Wednesday, March 19, 2014, 16:30–18:30, Spree-Palais

Dynamics of ion zig-zag chains in a two dimensional double well — •Andrea Klumpp1, Benno Liebchen1, and Peter Schmelcher1,21Zentrum für Optische Quantentechnologien, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg — 2The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg

Ion traps are versatile tools for experiments in various fields, such as spectroscopy, quantum computing, molecular physics and biophysics [1]. Even though there is a large interest in the formation of various structures like ion crystals [2] or zig-zag configurations [3,4] the underlying dynamics are often not well understood. Here we investigate the dynamics of trapped ions in a two dimensional double well potential. The initial state of the ions in our setup is given by well separeted zig-zag configurations in both wells. After quenching the barrier between the wells various structures including the formation of lines and partial revivals to the initial zig-zag configuration can be observed to alternate with phases of irregular motion in the course of the time evolution.

[1] Major, Gheorghe, Werth. Charged particle traps I+II Springer, (2005 + 2009)

[2] H. Landa et al., NJP 14 093023 (2012)

[3] A. del Campo et al. PRL 105,075701 (2010)

[4] M. Mielenz et al. PRL 110, 133004 (2013)

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