Ground-State Phase Diagram for the Three-Dimensional Orthogonal-Dimer System : Condensed Matter: Electronic Properties, etc.
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概要
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We investigate quantum phase transitions in the three-dimensional orthogonal-dimer system of the compound SrCu_2(BO_3)_2 by means of the series expansion technique. We then discuss the phase diagram where the dimer phase, the Haldane phase, the frustration-induced disordered phase and the magnetically ordered phase compete with each other. It is found that the compound SrCu_2(BO_3)_2 Is located in the dimer phase close to the phase boundary.
- 社団法人日本物理学会の論文
- 2000-11-15
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