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cond-mat.stat-mech1997
The Two-Dimensional S=1 Quantum Heisenberg Antiferromagnet at Finite Temperatures
Kenji Harada, Matthias Troyer, Naoki Kawashima
The temperature dependence of the correlation length, susceptibilities and the magnetic structure factor of the two-dimensional spin-1 square lattice quantum Heisenberg antiferroma…
cond-mat.str-el1997
Quantum Monte Carlo Loop Algorithm for the t-J Model
Beat Ammon, Hans Gerd Evertz, Naoki Kawashima +2
We propose a generalization of the Quantum Monte Carlo loop algorithm to the t-J model by a mapping to three coupled six-vertex models. The autocorrelation times are reduced by ord…