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Atom trapping with a thin magnetic film
Micah Boyd, Erik W. Streed, Patrick Medley +4
We have created a Rb Bose-Einstein condensate in a magnetic trapping potential produced by a hard disk platter written with a periodic pattern. Cold atoms were loaded from a…
Superfluid Expansion of a Strongly Interacting Fermi Gas
C. H. Schunck, M. W. Zwierlein, A. Schirotzek +1
We study the expansion of a rotating, superfluid Fermi gas. The presence and absence of vortices in the rotating gas is used to distinguish superfluid and normal parts of the expan…
Evidence for Superfluidity of Ultracold Fermions in an Optical Lattice
J. K. Chin, D. E. Miller, Y. Liu +5
The study of superfluid fermion pairs in a periodic potential has important ramifications for understanding superconductivity in crystalline materials. Using cold atomic gases, var…
Imaging the Mott Insulator Shells using Atomic Clock Shifts
Gretchen K. Campbell, Jongchul Mun, Micah Boyd +5
Microwave spectroscopy was used to probe the superfluid-Mott Insulator transition of a Bose-Einstein condensate in a 3D optical lattice. Using density dependent transition frequenc…
Observation of Phase Separation in a Strongly-Interacting Imbalanced Fermi Gas
Y. Shin, M. W. Zwierlein, C. H. Schunck +2
We have observed phase separation between the superfluid and the normal component in a strongly interacting Fermi gas with imbalanced spin populations. The in situ distribution of…
Continuous and Pulsed Quantum Zeno Effect
Erik W. Streed, Jongchul Mun, Micah Boyd +4
Continuous and pulsed quantum Zeno effects were observed using a Rb Bose-Einstein condensate(BEC). Oscillations between two ground hyperfine states of a magnetically trapped…