An experimentally realized Bose-Einstein spinor condensate is analyzed. The condensate of sodium atoms in their F equals 1 hyperfine state is optically trapped by a focused, near- infrared laser beam which eliminates many limitations associated with magnetic traps. A minimal theoretical description of the system is formulated and solved for motion along one dimension. The significance of the results of the solution, for possible use in quantum computing, is discussed.
We extend definitions of the linear response functions of many-body theory to a system of Bose condensed atoms interacting with laser light. We use resulting corrections to the ground state energy of the system to investigate the possibility of detecting mesoscopic Schrodinger cat states.
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