Observation of a two-dimensional Fermi gas of atoms

Details Observation of a two-dimensional Fermi gas of atoms Observation of a two-dimensional Fermi gas of atoms

2010-05-21

arxiv.org/abs/1005.4076v2

Phys. Rev. Lett. 105, 030404 (2010)

Physics

Condensed Matter

Quantum Gases

Scientific paper

10.1103/PhysRevLett.105.030404

We have prepared a degenerate gas of fermionic atoms which move in two dimensions while the motion in the third dimension is "frozen" by tight confinement and low temperature. {\it In situ} imaging provides direct measurement of the density profile and temperature. The gas is confined in a defect-free optical potential, and the interactions are widely tunable by means of a Fano--Feshbach resonance. This system can be a starting point for exploration of 2D Fermi physics and critical phenomena in a pure, controllable environment.

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