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Resonant control of elastic collisions in an optically trapped Fermi gas of atoms | | T. Loftus
; C. A. Regal
; C. Ticknor
; J. L. Bohn
; D. S. Jin
; | | Date: |
29 Nov 2001 | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Abstract: | We have loaded an ultracold gas of fermionic atoms into a far off resonance optical dipole trap and precisely controlled the spin composition of the trapped gas. We have measured a magnetic-field Feshbach resonance between atoms in the two lowest energy spin-states, |9/2, -9/2> and |9/2, -7/2>. The resonance peaks at a magnetic field of 201.5 plus or minus 1.4 G and has a width of 8.0 plus or minus 1.1 G. Using this resonance we have changed the elastic collision cross section in the gas by nearly 3 orders of magnitude. | | Source: | arXiv, cond-mat/0111571 | | Other source: | [GID 865398] pmid12005753 | | Services: | Forum | Review | PDF | Favorites | |
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