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Arrays of individually controlled ions suitable for two-dimensional quantum simulations

Mielenz, Manuel and Kalis, Henning and Wittemer, Matthias and Hakelberg, Frederick and Warring, Ulrich and Schmied, Roman and Blain, Matthew and Maunz, Peter and Moehring, David L. and Leibfried, Dietrich and Schaetz, Tobias. (2016) Arrays of individually controlled ions suitable for two-dimensional quantum simulations. Nature Communications, 7. p. 11839.

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Abstract

A precisely controlled quantum system may reveal a fundamental understanding of another, less accessible system of interest. A universal quantum computer is currently out of reach, but an analogue quantum simulator that makes relevant observables, interactions and states of a quantum model accessible could permit insight into complex dynamics. Several platforms have been suggested and proof-of-principle experiments have been conducted. Here, we operate two-dimensional arrays of three trapped ions in individually controlled harmonic wells forming equilateral triangles with side lengths 40 and 80 μm. In our approach, which is scalable to arbitrary two-dimensional lattices, we demonstrate individual control of the electronic and motional degrees of freedom, preparation of a fiducial initial state with ion motion close to the ground state, as well as a tuning of couplings between ions within experimental sequences. Our work paves the way towards a quantum simulator of two-dimensional systems designed at will.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimentelle Nanophysik (Treutlein)
UniBasel Contributors:Schmied, Roman
Item Type:Article, refereed
Article Subtype:Research Article
ISSN: 2041-1723
e-ISSN:2041-1723
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:20 Feb 2017 13:37
Deposited On:20 Feb 2017 13:37

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