17 citations · 74 across the 14 of their papers we have counts for
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math-ph2015★ 17 cited
The free energy in a class of quantum spin systems and interchange processes
J. E. Björnberg
We study a class of quantum spin systems in the mean-field setting of the complete graph. For spin the model is the Heisenberg ferromagnet, for general spin $S\in\tfra…
math.PR2015★ 7 cited
Large cycles in random permutations related to the Heisenberg model
J. E. Björnberg
We study the weighted version of the interchange process where a permutation receives weight . For this is Tóth's representation of the quantum Heisenb…