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APS » Journals » Phys. Rev. Lett. » Volume 90 » Issue 5
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Phys. Rev. Lett. 90, 053201 (2003) [4 pages]

Tuning p-Wave Interactions in an Ultracold Fermi Gas of Atoms

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C. A. Regal, C. Ticknor, J. L. Bohn, and D. S. Jin*
JILA, National Institute of Standards and Technology, and Department of Physics, University of Colorado, Boulder, Colorado 80309-0440

Received 29 August 2002; published 5 February 2003

We have measured a p-wave Feshbach resonance in a single-component, ultracold Fermi gas of 40K atoms. We have used this resonance to enhance the normally suppressed p-wave collision cross section to values larger than the background s-wave cross section between 40K atoms in different spin states. In addition to the modification of two-body elastic processes, the resonance dramatically enhances three-body inelastic collisional loss.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.053201
DOI:
10.1103/PhysRevLett.90.053201
PACS:
34.50.–s, 05.30.Fk, 32.80.Pj

*Quantum Physics Division, National Institute of Standards and Technology.

 
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