具有铁磁-反铁磁竞争和左右手征相互作用的手征钟自旋玻璃中的魔鬼阶梯连续谱
Devil's Staircase Continuum in the Chiral Clock Spin Glass with Competing Ferromagnetic-Antiferromagnetic and Left-Right Chiral Interactions
摘要:
利用重整化群理论研究了d=3维空间中q=5态的手征钟自旋玻璃模型,该模型同时具有铁磁-反铁磁竞争和左右手征阻挫.计算了温度、反铁磁键浓度p、随机手征强度和右手征浓度c的全局相图。该系统有一个铁磁相,许多不同的手性相,手性自旋玻璃相,和一个临界(代数)有序相。铁磁相和手征相在无序相边界处积累,并形成魔鬼楼梯谱,其中不同的有序相在相图空间的所有尺度上特征性地调解。浅和深的无序阶段,定期和温度倒置魔鬼的楼梯片段接壤的再入口,被视为。极其丰富的相图呈现为连续和定性变化的视频。
英文摘要:
The chiral clock spin-glass model with q=5 states, with both competing ferromagnetic-antiferromagnetic and left-right chiral frustrations, is studied in d=3 spatial dimensions by renormalization-group theory. The global phase diagram is calculated in temperature, antiferromagnetic bond concentration p, random chirality strength, and right-chirality concentration c. The system has a ferromagnetic phase, a multitude of different chiral phases, a chiral spin-glass phase, and a critical (algebraically) ordered phase. The ferromagnetic and chiral phases accumulate at the disordered phase boundary and form a spectrum of devil's staircases, where different ordered phases characteristically intercede at all scales of phase-diagram space. Shallow and deep reentrances of the disordered phase, bordered by fragments of regular and temperature-inverted devil's staircases, are seen. The extremely rich phase diagrams are presented as continuously and qualitatively changing videos.
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