2006
DOI: 10.1103/physrevlett.97.120402
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Ultracold Heteronuclear Molecules in a 3D Optical Lattice

Abstract: We report on the creation of ultracold heteronuclear molecules assembled from fermionic 40 K and bosonic 87 Rb atoms in a 3D optical lattice. Molecules are produced at a heteronuclear Feshbach resonance both on the attractive and the repulsive side of the resonance. We precisely determine the binding energy of the heteronuclear molecules from rf spectroscopy across the Feshbach resonance. We characterize the lifetime of the molecular sample as a function of magnetic field and measure between 20 and 120ms. The… Show more

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Cited by 363 publications
(438 citation statements)
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“…At this points, heteronuclear Feshbach molecule formation as demonstrated for the first time in this work [4] is a key step in obtaining a suitable initial state for coherent Raman photoassociation schemes. The Feshbach association provides us with a well-defined initial molecular state with known molecular distance and a much better Franck-Condon overlap with deeply bound molecular states.…”
Section: The Quest For Ultracold Polar Moleculesmentioning
confidence: 81%
See 1 more Smart Citation
“…At this points, heteronuclear Feshbach molecule formation as demonstrated for the first time in this work [4] is a key step in obtaining a suitable initial state for coherent Raman photoassociation schemes. The Feshbach association provides us with a well-defined initial molecular state with known molecular distance and a much better Franck-Condon overlap with deeply bound molecular states.…”
Section: The Quest For Ultracold Polar Moleculesmentioning
confidence: 81%
“…As a crucial step towards the exploration of dipole-dipole interacting molecular systems, novel quantum computation schemes and fundamental measurements, this work [4] presents the first experimental demonstration of ultracold long-lived heteronuclear molecules. Molecules are created within the single well of an optical lattice at a heteronuclear Feshbach resonance by means of a novel technique developed for this purpose and based on rf spectroscopy [162].…”
Section: Ultracold Heteronuclear Feshbach Moleculesmentioning
confidence: 99%
“…The physics of ultracold atom pairs in optical lattices with controllable interactions is thus presently an intensively investigated research area. Recently the observation of confinement-induced molecules, repulsively interacting pairs, and real molecules for both homonuclear [5,12] and heteronuclear [13] atomic species in optical lattices has been reported.…”
Section: Introductionmentioning
confidence: 99%
“…Applying nine transfers, we convert very weakly bound Feshbach molecules to a much more deeply bound level with a binding energy corresponding to 3.6 GHz. As an important spin-off of our experiments, we demonstrate a high-precision spectroscopy method for investigating level crossings.Radiofrequency has important applications for ultracold molecules, such as spectroscopy 7,10-14 and molecule production [15][16][17] . Using radiofrequency to transfer ground-state molecules between states of different vibrational quantum numbers, as demonstrated here, is not obvious.…”
mentioning
confidence: 99%
“…Radiofrequency has important applications for ultracold molecules, such as spectroscopy 7,10-14 and molecule production [15][16][17] . Using radiofrequency to transfer ground-state molecules between states of different vibrational quantum numbers, as demonstrated here, is not obvious.…”
mentioning
confidence: 99%