INTERSECTING LOOP MODEL AS A SOLVABLE SUPER SPIN CHAIN

In this paper, we investigate an integrable loop model and its connect ion with a supersymmetric spin chain. The Bethe ansatz solution allows us to study some properties of the ground state. When the loop fugaci ty q lies in the physical regime, we conjecture that the central charg e is c = q - 1 for q integer < 2. Low-lying excitations are examined, supporting a superdiffusive behavior for q = 1. We argue that these sy stems are interesting examples of integrable lattice models realizing c less than or equal to 0 conformal field theories.