Journal
PHYSICAL REVIEW LETTERS
Volume 113, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.020406
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Funding
- Physics Division of the National Science Foundation [PHY-1067873]
- Division of Materials Science and Engineering, the Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-SC0008646]
- Physics Divisions of the Army Research Office [W911NF-11-1-0420]
- Air Force Office of Scientific Research [FA9550-13-1-0041]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1404135] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-SC0008646] Funding Source: U.S. Department of Energy (DOE)
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We measure the static shear viscosity eta in a two-component Fermi gas near a broad collisional (Feshbach) resonance, as a function of interaction strength and energy. We find that eta has both a quadratic and a linear dependence on the interaction strength 1/(k(FI)a), where a is the s-wave scattering length and k(FI) is the Fermi wave vector for an ideal gas at the trap center. For energies above the superfluid transition, the minimum in eta as a function of interaction strength is significantly shifted toward the BEC side of resonance, to 1/(k(FI)a) similar or equal to 0.25.
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