Suppression of nonadiabatic losses of molecules from chip-based microtraps

Year: 2011

Authors: Meek S.A., Santambrogio G., Sartakov B.G., Conrad H., Meijer G.

Autors Affiliation: Fritz- Haber Institut der Max-Planck-Gesellschaft, Faradayweg 4-6 Berlin Germany;
A.M. Prokhorov genral physics Institute, RAS, Vavilov Street 30 Moscow, Russia

Abstract: Polar molecules in selected quantum states can be guided, decelerated, and trapped using electric fields created by microstructured electrodes on a chip. Here we explore how nonadiabatic transitions between levels in which the molecules are trapped and levels in which the molecules are not trapped can be suppressed. We use (12)CO and (13)CO (a (3)Pi(1),v = 0) molecules, prepared in the upper A-doublet component of the J = 1 rotational level, and study the trap loss as a function of an offset magnetic field. The experimentally observed suppression (enhancement) of the nonadiabatic transitions for (12)CO ((13)CO) with increasing magnetic field is quantitatively explained.

Journal/Review: PHYSICAL REVIEW A

Volume: 83 (3)      Pages from: 033413  to: 033413

More Information: The design of the electronics by G. Heyne, V. Platschkowski, and T. Vetter has been crucial for this work. This research has been funded by the European Community\’s Seventh Framework Program FP7/2007-2013 under Grant Agreement No. 216 774 and ERC-2009-AdG under Grant Agreement No. 247142-MolChip. G. S. gratefully acknowledges the support of the Alexander von Humboldt foundation.
DOI: 10.1103/PhysRevA.83.033413

ImpactFactor: 2.878
Citations: 19
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