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Application of Symmetry Methods to Low-Dimensional Heisenberg Magnets
Ural State University, Lenin ave. 51, Ekaterinburg, Russia
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Received: 24 December 2009; in revised form: 15 February 2010 / Accepted: 11 March 2010 / Published: 9 April 2010
Abstract: An account of symmetry is very fruitful in studies of quantum spin systems. In the present paper we demonstrate how to use the spin SU(2) and the point symmetries in optimization of the theoretical condensed matter tools: the exact diagonalization, the renormalization group approach, the cluster perturbation theory. We apply the methods for study of Bose-Einstein condensation in dimerized antiferromagnets, for investigations of magnetization processes and magnetocaloric effect in quantum ferrimagnetic chain.
Keywords: low-dimensional magnetism; cluster methods; lattice point group symmetry; rotational spin symmetry
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Bostrem, I.G.; Ovchinnikov, A.S.; Sinitsyn, V.E. Application of Symmetry Methods to Low-Dimensional Heisenberg Magnets. Symmetry 2010, 2, 722-766.
Bostrem IG, Ovchinnikov AS, Sinitsyn VE. Application of Symmetry Methods to Low-Dimensional Heisenberg Magnets. Symmetry. 2010; 2(2):722-766.
Bostrem, Irene G.; Ovchinnikov, Alexander S.; Sinitsyn, Valentine E. 2010. "Application of Symmetry Methods to Low-Dimensional Heisenberg Magnets." Symmetry 2, no. 2: 722-766.