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We report on a study of the superfluid state of spin-polarized atomic Li6confined in a magnetic trap. Density profiles of this degenerate Fermi gas, andthe spatial distribution of the BCS order parameter are calculated in the localdensity approximation. The critical temperature is determined as a function ofthe number of particles in the trap. Furthermore we consider the mechanicalstability of an interacting two-component Fermi gas, both in the case ofattractive and repulsive interatomic interactions. For spin-polarized Li6 wealso calculate the decay rate of the gas, and show that within the mechanicallystable regime of phase space, the lifetime is long enough to performexperiments on the gas below and above the critical temperature if a biasmagnetic field of about 5 T is applied. Moreover, we propose that a measurementof the decay rate of the system might signal the presence of the superfluidstate.Comment: 16 pages Revtex including 10 figures, submitted to Phys. Rev.

physical review. a, atomic, molecular, and optical physics/physical review, a, atomic, molecular, and optical physics

Superfluid state of atomic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>6</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:math>in a magnetic trap

Superfluid state of atomic6Liin a magnetic trap