Trapping of ultracold polar molecules with a thin-wire electrostatic trap

We describe the realization of a dc electric-field trap for ultracold polar molecules, the thin-wire electrostatic trap (TWIST). The thin wires that form the electrodes of the TWIST allow us to superimpose the trap onto a magneto-optical trap (MOT). In our experiment, ultracold polar NaCs molecules...

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Bibliographic Details
Published in:Physical review letters 2007-10, Vol.99 (14), p.143002-143002, Article 143002
Main Authors: Kleinert, J, Haimberger, C, Zabawa, P J, Bigelow, N P
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRIC FIELDS
ELECTRODES
GROUND STATES
LIFETIME
MOLECULES
TRAPPING
TRAPS
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Summary:We describe the realization of a dc electric-field trap for ultracold polar molecules, the thin-wire electrostatic trap (TWIST). The thin wires that form the electrodes of the TWIST allow us to superimpose the trap onto a magneto-optical trap (MOT). In our experiment, ultracold polar NaCs molecules in their electronic ground state are created in the MOT via photoassociation, achieving a continuous accumulation in the TWIST of molecules in low-field seeking states. Initial measurements show that the TWIST trap lifetime is limited only by the background pressure in the chamber.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.99.143002