期刊
REPORTS ON PROGRESS IN PHYSICS
卷 77, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0034-4885/77/12/124401
关键词
ultracold atoms; degenerate fermi gases; strongly correlated systems
资金
- NCTS (Taiwan)
- National Science of Taiwan
- NTHU
- NIST
- NSF-PIF
- ARO
- ARO-DARPA-OLE
- AFOSR
- [JILA-NSF-PFC-1125844]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1125844] Funding Source: National Science Foundation
We review recent experimental and theoretical progress on ultracold alkaline-earth Fermi gases with emergent SU(N) symmetry. Emphasis is placed on describing the ground-breaking experimental achievements of recent years. The latter include (1) the cooling to below quantum degeneracy of various isotopes of ytterbium and strontium, (2) the demonstration of optical Feshbach resonances and the optical Stern-Gerlach effect, (3) the realization of a Mott insulator of Yb-173 atoms, (4) the creation of various kinds of Fermi-Bose mixtures and (5) the observation of many-body physics in optical lattice clocks. On the theory side, we survey the zoo of phases that have been predicted for both gases in a trap and loaded into an optical lattice, focusing on two and three dimensional systems. We also discuss some of the challenges that lie ahead for the realization of such phases such as reaching the temperature scale required to observe magnetic and more exotic quantum orders. The challenge of dealing with collisional relaxation of excited electronic levels is also discussed.
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