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cond-mat.stat-mech2001
Evaluation parameters and Bethe roots for the six vertex model at roots of unity
Klaus Fabricius, Barry M. McCoy
We propose an expression for the current form of the lowering operator of the loop algebra symmetry of the six vertex model (XXZ spin chain) at roots of unity. This opera…
cond-mat.stat-mech2001
Do hard spheres have natural boundaries?
Barry M. McCoy
I use recent advances in the study of the susceptibility of the Ising model to propose a new mechanism for the freezing transition which is observed in three dimensional hard spher…