One-Dimensional Classical Planar Model with Competing Interactions
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概要
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Exact results for the thermodynamic properties of the one-dimensional classi-cat planar model with competing nearest-neighbor and next-nearest-neighborinteractions are r>resented. The calculations are r>erformed by extending thenumerical transfer-matrix method of the nearest-neishbor r>roblem to allowfor next-nearest-neighbor interactions. It is found that, for a certain range ofvalues of the competing interactions, the system exhibits helical short-rangeorder whose characteristic wave-number depends on temperature. The nature ofthe helical short-range order at low temperatures is discussed in connectionwith a domain wall between domains of opposing chirality of the helical state.
- 社団法人日本物理学会の論文
- 1984-05-15
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