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Ising chains with competing interactions in the presence of long-range couplings

机译:在存在远程联轴器的情况下,竞争互动的链条

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摘要

In this paper we study an Ising spin chain with short-range competing interactions in the presence of long-range ferromagnetic interactions in the canonical ensemble. The simultaneous presence of the frustration induced by the short-range couplings together with their competition with the long-range term gives rise to a rich thermodynamic-phase diagram. We compare our results with the limit in which one of two local interactions is turned off, which was previously studied in the literature. Eight regions of parameters with qualitatively distinct properties are featured, with different first- and second-order phase transition lines and critical points.
机译:在本文中,我们研究了在规范集合中的远程铁磁相互作用存在下具有短程竞争相互作用的insing旋转链。 短距离耦合诱导的挫折与远程术语的竞争同时存在,导致丰富的热力学相图。 我们将结果与以下哪个本地互动之一截止,以前在文献中研究过。 具有定性不同特性的八个参数区域,具有不同的第一和二阶相变线和关键点。

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