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Heidelberg 2015 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 31: Poster: Quantum Optics and Photonics II

Q 31.6: Poster

Tuesday, March 24, 2015, 17:00–19:00, C/Foyer

Towards quantum simulations in a triangular surface trap — •Manuel Mielenz, Henning Kalis, Frederick Hakelberg, Matthias Wittemer, Ulrich Warring, and Tobias Schaetz — Physikalisches Institut, Albert-Ludwigs Univerität Freiburg

In the last decade, surface electrode traps for laser-cooled ions [1] have been established in several laboratories. Such traps constitute a promising tool to extend quantum simulations - already demonstrated for a small number of ions in Paul-traps [2] - to a scalable system. Optimized electrode structures allow trapping ions in an arbitrarily chosen pattern, with each ion in an indiviual potential well [3,4], thus making for instance the simulation of extended lattices of spins or charged particles in a gauge field [5] possible.

Our group, in collaboration with Sandia National Labs, NIST, and R. Schmied, demonstrated trapping ions in a novel kind of surface trap, which exhibits three proximate potential wells arranged in a triangle. Trapping parameters of each ions’ well can be individually controlled by making use of 30 control electrodes. Combined with fast, accurate control voltages this will permit to control all degrees of freedom and, thus, the interaction between neighbouring ions.

[1] S. Seidelin et al., Phys. Rev. Lett. 96, 253003 (2006)

[2] Ch. Schneider et al., Rep. Prog. Phys. 75, 024401 (2012)

[3] R. Schmied et al., Phys. Rev. Lett. 102, 233002 (2009)

[4] T. Schaetz et. al., New J. Phys. 15, 085009 (2013)

[5] A. Bermudez et al., Phys. Rev. Lett. 107, 150501 (2011)

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