Hannover 2016 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 12: Ultra-cold atoms, ions and BEC (with A)
Q 12.29: Poster
Montag, 29. Februar 2016, 16:30–19:00, Empore Lichthof
Characterizing and Controlling the Structure of Topological Defects in Coulomb Crystals — •Isabelle Schmager1, Jonathan Brox1, Miriam Bujak1, Philip Kiefer1, Haggai Landa2, and Tobias Schaetz1 — 1Atom-, Molekül- und optische Physik, Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg — 2LPTMS, Université Paris Sud, Orsay, France
We study structural defects (kinks) in Coulomb crystals of Mg-Ions in dependency on the ratio of radial to axial confinement and cooling conditions [1].
The formation of kink configurations and the transformation of kinks to different structures are investigated. We compare the properties of extended (2D) and blurred (3D) kinks for crystals consisting of 30 ions [2]. Furthermore, different creation and control processes are studied in detail.
[1] M. Mielenz et al., Phys. Rev. Lett. 110, 133004 (2013)
[2] H. Landa et al., New J. Phys. 15, 093003 (2013)