Physics – Quantum Physics
Scientific paper
2008-11-10
"Fermions on Atom Chips", Chapter 12 of Atom Chips, J. Reichel, V. Vuletic, eds., pp. 365-394 (2011)
Physics
Quantum Physics
33 pages, 10 figures. This article is to be included in a forthcoming, broader volume on atom chips; ISBN 978-3-527-40755-2. W
Scientific paper
We review our recent and ongoing work with Fermi gases on an atom chip. After reviewing some statistical and thermodynamic properties of the ideal, non-interacting Fermi gas, and a brief description of our atom chip and its capabilities, we discuss our experimental approach to producing a potassium-40 degenerate Fermi gas (DFG) using sympathetic cooling by a rubidium-87 Bose-Einstein condensate on an atom chip. In doing so, we describe the factors affecting the loading efficiency of the atom chip microtrap. This is followed by a discussion of species selectivity in radio frequency manipulation of the Bose-Fermi mixture, which we explore in the context of sympathetic evaporative cooling and radio-frequency dressed adiabatic double-well potentials. Next, we describe the incorporation of a crossed-beam dipole trap into the atom chip setup, in which we generate and manipulate strongly interacting spin mixtures of potassium-40. Finally, we conclude with a brief discussion of future research directions with DFGs and atom chips.
Aubin Seth
Bardon Alma B.
Extavour Marcius H. T.
LeBlanc Lindsay J.
McKeever Jason
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