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Article overview
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Asymptotic scaling of the square lattice quantum Heisenberg antiferromagnet | Jae-Kwon Kim
; Matthias Troyer
; | Date: |
30 Sep 1997 | Subject: | Strongly Correlated Electrons; Statistical Mechanics | cond-mat.str-el cond-mat.stat-mech | Abstract: | We present thermodynamic measurements of various physical observables of the two dimensional S=1/2 isotropic quantum Heisenberg antiferromagnet on a square lattice, obtained by quantum Monte Carlo. In particular we have been able to measure the infinite volume limit of the uniform susceptibility up to the inverse temperature beta=40, the analysis of which reveals the correct asymptotic behavior in excellent agreement with the prediction of chiral perturbation theory. The controversy over the existence of a crossover from quantum critical to renormalized classical regime is resolved. | Source: | arXiv, cond-mat/9709333 | Services: | Forum | Review | PDF | Favorites |
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