Abstract
We study an integrable conformal OSp(2m+2|2m) supercoset model as an analog to the AdS{sub 5}xS{sup 5} superstring world-sheet theory. Using the known S-matrix for this system, we obtain integral equations for states of large particle number in an SU(2) sector, which are exact in the sigma model coupling constant. As a check, we derive as a limit the general classical Bethe equation of Kazakov, Marshakov, Minahan, and Zarembo. There are two distinct quantum expansions around the well-studied classical limit, the {lambda}{sup -1/2} effects and the 1/J effects. Our approach captures the first type, but not the second.
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