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Darmstadt 2008 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Posters: BECs, ultracold gases and plasmas

A 26.18: Poster

Donnerstag, 13. März 2008, 16:30–18:30, Poster C3

Trapped Rydberg Ions — •Markus Mueller1, Linmei Liang1,2, Igor Lesanovsky1, and Peter Zoller11Institute for Theoretical Physics, University of Innsbruck, and Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, Innsbruck, Austria — 2Department of Physics, National University of Defense Technology, Changsha 410073, China

We study Rydberg states of ions which are trapped in a linear Paul trap. In such trap the ions are confined by an electric quadrupole field and a ponderomotive force due to an oscillating quadrupole. Using a two-body approach in order to model the Rydberg ions we derive the Hamiltonian for Rydberg excitations in a linear ion crystal. We discuss the creation of strong state-dependent dipole-dipole interaction among the ions using microwave dressing of Rydberg states. This system offers the possibility to study Rydberg excitation dynamics of a mesoscopic ensemble in a well-structured environment and allows the implementation of strongly interacting spin models.

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