论文标题
玻璃和无序晶体的导热率
Thermal conductivity of glasses and disordered crystals
论文作者
论文摘要
在许多物理特性中,无定形状态在热传输中以最壮观的方式表现出来。异常低的热导率,其低温依赖性作为温度的函数,导热率的高原的存在,与晶体的有序状态相比,所有这些都绝对不同。因此,这些令人惊讶的行为可能出现的微观机制已成为深入的理论研究和更广泛的实验研究的主题。这些调查导致发现具有相似特性的大量无序材料,这已成为各种物理解释的丰富基础。在本章中,我们介绍了实验研究史的最后50年,以及关键的理论物理场景
Among the many physical properties, the amorphous state manifests itself in the most spectacular way in heat transport. Anomalously low thermal conductivity, its low-temperature dependence as a function of temperature, the presence of a plateau of thermal conductivity, all are definitely different when compared with the ordered state of crystals. For this reason, the microscopic mechanisms from which these surprising behaviors may emerge have been the subject of intensive theoretical research and even more extensive experimental research. These investigations have led to the detection of a huge range of disordered materials with somewhat similar properties, which have become a rich base for various physical interpretations. In this chapter we present the last 50 years of the history of experimental research together with the key theoretical physics scenarios