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A microscopic model for a class of mixed-spin quantum antiferromagnets | | J.V. Alvarez
; Roser Valenti
; A. Zheludev
; | | Date: |
8 Nov 2001 | | Journal: | Phys. Rev. B, 65 (2002) 184417 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Abstract: | We propose a microscopic model that describes the magnetic behavior of the mixed-spin quantum systems R$_2$BaNiO$_5$ (R= magnetic rare earth). An evaluation of the properties of this model by Quantum Monte Carlo simulations shows remarkable good agreement with the experimental data and provides new insight into the physics of mixed-spin quantum magnets. | | Source: | arXiv, cond-mat/0111134 | | Services: | Forum | Review | PDF | Favorites | |
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