Phys. Rev. Lett. 97, 030401 (2006) [4 pages]Observation of Phase Separation in a Strongly Interacting Imbalanced Fermi GasSee Also: Publisher's Note Received 15 June 2006; published 18 July 2006; corrected 21 July 2006 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 the density difference between two trapped spin components is obtained using phase-contrast imaging and 3D image reconstruction. A shell structure is clearly identified where the superfluid region of equal densities is surrounded by a normal gas of unequal densities. The phase transition induces a dramatic change in the density profiles as excess fermions are expelled from the superfluid. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.030401
DOI:
10.1103/PhysRevLett.97.030401
PACS:
03.75.Ss, 03.75.Hh, 05.70.Fh
See AlsoPublisher's Note: Y. Shin, M. W. Zwierlein, C. H. Schunck, A. Schirotzek, and W. Ketterle, Publisher’s Note: Observation of Phase Separation in a Strongly Interacting Imbalanced Fermi Gas [Phys. Rev. Lett. 97, 030401 (2006)], Phys. Rev. Lett. 97, 049901 (2006). |
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