片状样品中Condon畴相的形态
Morphology of Condon Domains Phase in Plate-Like Sample
摘要：
基于反磁矩依赖于磁通量密度的Shoenberg假设，从理论上研究了板状样品中Condon畴的形态.该假设解释了在dHvA效应和反磁相变（DPT）到非均匀相条件下，强关联电子气体的不稳定性.在dHvA振荡的一个周期内，非均匀抗磁相（IDP）的本征结构由不同非均匀相之间的一级相变控制，类似于自旋起源的高各向异性磁性系统，并强烈地受到温度、磁场和由于电子关联引起的样品杂质的影响。计算了dHvA振荡各周期内IDP随温度和小尺度磁场演化的相图。
英文摘要：
Based on Shoenberg assumption of magnetic flux density dependence of diamagnetic moments which accounts for an instability of strongly correlated electron gas at the conditions of dHvA effect and diamagnetic phase transition (DPT) to non-uniform phase, we investigate the morphology of the Condon domains (CD) in plate-like sample theoretically. At one period of dHvA oscillations the intrinsic structure of inhomogeneous diamagnetic phase (IDP) is governed by the first order phase transitions between different non-uniform phases similar to the high-anisotropy magnetic systems of spin origin, and strongly affected by temperature, magnetic field and impurity of the sample due to the electron correlations. The phase diagrams of evolution of IDP with temperature and small-scale magnetic field in every period of dHvA oscillations are calculated.
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