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Hannover 2010 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 10: Quantum Gases: Bosons II

Q 10.3: Vortrag

Montag, 8. März 2010, 17:00–17:15, E 001

Bose-Einstein condensation of strontium — •Simon Stellmer1,2, Meng Khoon Tey1, Bo Huang1,2, Rudolf Grimm1,2, and Schreck Florian11Institut für Quantenoptik und Quanteninformation, 6020 Innsbruck, Austria — 2Universität Innsbruck, 6020 Innsbruck, Austria

We report on the attainment of Bose-Einstein condensation with ultracold strontium atoms. We use the 84Sr isotope, which has a low natural abundance but offers excellent scattering properties for evaporative cooling. Accumulation in a metastable state using a magnetic-trap, narrowline cooling, and straightforward evaporative cooling in an optical trap lead to pure condensates containing 1.5×105 atoms. This puts 84Sr in a prime position for experiments on quantum-degenerate gases involving atomic two-electron systems.

Furthermore, we report on recent advances towards a degenerate Fermi gas of 87Sr. Ideas of future experiments related to quantum simulation and ultracold SrRb molecules will also be discussed in the talk.

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