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Q: Fachverband Quantenoptik und Photonik

Q 23: Poster 2: Intersectional Session

Q 23.42: Poster

Dienstag, 15. März 2011, 18:00–21:00, P1

Towards quantum simulations in a two-dimensional lattice of ions — •Christian Schneider, Johannes Stroehle, Martin Enderlein, Thomas Huber, Stephan Duewel, and Tobias Schaetz — Max-Planck-Institut für Quantenoptik

Linear Paul traps have demonstrated to be a well-suited tool for quantum simulations [1,2]. General 2D interactions or large-scale systems can hardly be simulated in conventional Paul traps. Surface-electrode traps are a promising candidate to overcome some of these limitations and allow to design arbitrary trapping geometries [3].

We started a collaboration with Roman Schmied (Uni Basel), Didi Leibfried (NIST, Boulder) and Dave Moehring (Sandia National Labs) to investigate the feasibility of a surface-electrode trap providing a lattice of RF traps. We want to report on our progress in setting up a new experiment and visions for quantum simulations. A linear surface-electrode trap from Sandia National Labs has been successfully assembled into a vacuum system to test the integral parts of a new setup. Afterwards, we plan to substitute it by a first lattice trap with three trapping zones arranged in a triangle. The zones will have mutual distances of 40 µm and a height above the surface of 40 µm, which could already allow to achieve a sufficient coupling strength between the ions for first quantum simulation experiments in two dimensions.


[1] A. Friedenauer et al., Nat. Phys. 4, 757-761 (2008)
[2] H. Schmitz et al., PRL 103, 090504 (2009) and
F. Zähringer et al., PRL 104, 100503 (2010)
[3] R. Schmied et al., PRL 102, 233002 (2009)

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