Structure‐Induced Phase Transitions in Classic Systems of Dipoles: Unequal Kagome, Truncated Square, and Prismatic Pentagonal Lattices,Annalen Der Physik

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Structure‐Induced Phase Transitions in Classic Systems of Dipoles: Unequal Kagome, Truncated Square, and Prismatic Pentagonal Lattices
Annalen Der Physik ( IF 2.2 ) Pub Date : 2020-05-07 , DOI: 10.1002/andp.202000118
Josep Batle ₁

Affiliation

Several magnetic compounds owe their properties to the particular nature of the dipole–dipole interaction. Changes induced in their structure will vary the total interaction energy in nontrivial fashions. In the present work, systems of identical particles possessing dipole moments arranged on various types of 2D structures are studied. By continuously varying a structural parameter, the state of minimum energy will favor distinct dipole configurations, giving rise to different phases. The ultimate goal is to quantitatively address the relation existing between the minimum possible energy for different systems of classic dipoles and the concomitant dipole phases that appear. The systems of dipoles considered here are studied in detail for the first time. With the exploration, new light will be shed on the existence of structural phase transitions in classical systems even at zero temperature, changes induced by the variation of a continuous parameter, and not the temperature, that resemble the ones occurring in quantum phase transitions.

中文翻译：

经典偶极系统中由结构引起的相变：不相等的Kagome，截方形和棱柱形五角形格子

几种磁性化合物的性质归因于偶极-偶极相互作用的特殊性质。它们结构的变化将以非平凡的方式改变总的相互作用能。在本工作中，研究了具有偶极矩的相同粒子排列在各种类型的2D结构上的系统。通过连续改变结构参数，最小能量状态将有利于不同的偶极子构型，从而产生不同的相位。最终目标是定量解决经典偶极子不同系统的最小可能能量与出现的偶极子相之间存在的关系。此处首次详细研究了偶极子系统。随着探索，

更新日期：2020-05-07

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