Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 21: Ultra-cold plasmas and Rydberg systems II (with Q)

A 21.4: Vortrag

Mittwoch, 25. März 2015, 11:45–12:00, C/kHS

Effects of anisotropic dipole-dipole interactions on 3D flexible Rydberg aggegrates. — •Karsten Leonhardt, Sebastian Wüster, and Jan Michael Rost — Max Planck Institute for the Physics of Complex Systems

Exciton pulses transport excitation and entanglement adiabatically through flexible Rydberg aggregates [1], assemblies of highly excited light atoms, which are set into directed motion by resonant dipole-dipole interaction [1-4]. In the systems studied so far, the dipole-dipole interaction among the Rydberg atoms was completely isotropic, either enforced by geometry [2-4] or by external fields [5]. Here, we present the dynamics of exciton pulses, taking into account the spatial dependence of the dipole-dipole interaction. We also include fine-structure splitting into our model, which is relevant for Rb experiments.      


[1]C. Ates, A. Eisfeld, J. M. Rost, New. J. Phys. 10, 045030 (2008).
[2]S. Wüster, C. Ates, A. Eisfeld, J. M. Rost,
Phys. Rev. Lett. 105, 195392 (2010).
[3]S. Möbius, S. Wüster, C. Ates, A. Eisfeld, J. M. Rost,
J. Phys. B. 44, 184011 (2011).
[4]S. Wüster, A. Eisfeld, J. M. Rost,
Phys. Rev. Lett. 106, 153002 (2011).
[5]K. Leonhardt, S. Wüster, J. M. Rost,
Phys. Rev. Lett. 113, 223001 (2014).
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