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Dresden 2011 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 3: Cold Molecules I

MO 3.10: Vortrag

Montag, 14. März 2011, 12:45–13:00, BAR Schön

Quantum reflection and localization in bound systems — •Elias Diesen1 and Jan-Michael Rost21Max-Planck-Institut für Physik komplexer Systeme — 2Max-Planck-Institut für Physik komplexer Systeme

The phenomenon of quantum reflection is briefly presented and compared to the situation where a similar shape of the underlying potential causes localization of eigenstates in a confining potential. The relation of both these quantum phenomena to the breakdown of semiclassical (WKB) dynamics is discussed. A few physical systems that show such behaviour are presented, among them the ultracold Rydberg dimer, consisting of a ground state and a Rydberg atom [1]. Due to the current rapid development of experimental techniques for the ultracold regime, these phenomena should become more and more accessible to direct experimental investigation.

[1] V. Bendkowsky etal., Phys. Rev. Lett. 105, 163201 (2010).

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