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INHOMOGENEITY EFFECTS IN QUANTUM SPIN SYSTEMS

    https://doi.org/10.1142/9789814503815_0006Cited by:2 (Source: Crossref)
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    Abstract:

    Inhomogeneity effects in quantum spin systems are studied by quantum Monte Carlo methods. In particular, the ground-state and thermodynamic properties of diluted S = 1/2 Heisenberg antiferromagnets on the square lattice and S = 1 antiferromagnetic Heisenberg chains with open boundaries are investigated. Methodological problems which are inherent in inhomogeneous systems are are also described.