Journal
JOURNAL OF MODERN OPTICS
Volume 63, Issue 18, Pages 1829-1839Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2016.1143051
Keywords
Cold atoms; quantum gases; strongly correlated systems; Bose-Einstein condensation; ultracold mixtures; ground-state molecules
Categories
Funding
- European Research Council (ERC) [278417]
- Austrian Science Foundation (FWF) [I1789-N20]
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We present a new quantum gas apparatus for ultracold mixtures of K and Cs atoms and ultracold samples of KCs ground-state molecules. We demonstrate the apparatus' capabilities by producing Bose-Einstein condensates of K-39 and Cs-133 in a manner that will eventually allow sequential condensation within one experimental cycle, precise sample overlap and magnetic association of atoms into KCs molecules. The condensates are created independently without relying on sympathetic cooling. Our approach is universal and applicable to other species combinations when the two species show dramatically different behavior in terms of loss mechanisms and post laser cooling temperatures, i.e. species combinations that make parallel generation of quantum degenerate samples challenging. We give an outlook over the next experiments involving e.g. sample mixing, molecule formation and transport into a science chamber for high-resolution spatial imaging of novel quantum-many body phases based on K-Cs.
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