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Fibrillar Templates and Soft Phases in Systems with Short-Range Dipolar and Long-Range Interactions

机译:短程偶极和长程相互作用的系统中的原纤维模板和软相

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摘要

We analyze the thermal fluctuations of particles that have a short-range dipolar attraction and a long-range repulsion. In an inhomogeneous particle density region, or "soft phase," filamentary patterns appear which are destroyed only at very high temperatures. The filaments act as a fluctuating template for correlated percolation in which low-energy excitations can move through the stable pattern by local rearrangements. At intermediate temperatures, dynamically averaged checkerboard states appear. We discuss possible implications for doped cuprate oxides and related materials.
机译:我们分析了具有短距离偶极引力和长距离排斥力的粒子的热涨落。在不均匀的颗粒密度区域或“软相”中,出现了只有在非常高的温度下才被破坏的丝状图案。细丝充当相关渗滤的波动模板,在该渗滤中,低能量激发可通过局部重排移动通过稳定的模式。在中间温度下,将显示动态平均的棋盘状态。我们讨论了掺杂的铜酸盐氧化物和相关材料的可能含义。

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