Towards quantum magnetism with ultracold atoms
Author(s)Weld, David M.; Ketterle, Wolfgang
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At ICAP we presented the efforts and progress at MIT towards using ultracold atoms for the realization of various forms of quantum magnetism. These efforts include a study of fermions with strong repulsive interactions in which we obtained evidence for a phase transition to itinerant ferromagnetism, the characterization of cold atom systems by noise measurements, and a new adiabatic gradient demagnetization cooling scheme which has enabled us to realize temperatures of less than 350 picokelvin and spin temperatures of less than 50 picokelvin in optical lattices. These are the lowest temperatures ever measured in any physical system.
22nd International Conference on Atomic Physics
DepartmentHarvard-MIT Center for Ultracold Atoms; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal of Physics: Conference Series
Weld, David M, and Wolfgang Ketterle. “Towards quantum magnetism with ultracold atoms.” Journal of Physics: Conference Series 264 (2011): 012017.
Author's final manuscript