Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 22: Ultra-cold atoms, ions and BEC III (with Q)

A 22.8: Vortrag

Mittwoch, 25. März 2015, 12:45–13:00, M/HS1

Raman sideband cooling of quantum degenerate Li-6 — •Martin Boll1, Timon Hilker1, Katharina Kleinlein1, Ahmed Omran1, Guillaume Salomon1, Immanuel Bloch1,2, and Christian Gross11Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str.1, 85748 Garching — 2Ludwig-Maximilians-Universität München, Fakultät für Physik, Schellingstraße 4, 80799 München

The ability of single-site resolved detection in optical lattice experiments had huge impact on the study of strongly correlated bosonic systems. In our experiment we plan to apply similar techniques to fermionic Li-6. However for strongly correlated fermions there does not yet exist an imaging technique which combines a sufficient ratio of signal to noise while keeping each atom trapped on its original lattice site.

In this talk we present our approach, employing degenerate Raman sideband cooling. We discuss our progress using a far detuned optical lattice to pin the atomic distribution while performing Raman sideband cooling and compare to our results of a near resonant lattice, only 85 GHz detuned with respect to the D1 transition of Li-6.

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