Microscopic Buckling and Low-Energy Dynamics in Glasses

Microscopic Buckling and Low-Energy Dynamics in Glasses
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玻璃中的微观屈曲和低能动力学

DOI:
10.1143/jpsj.68.3540
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发表时间:
1999
影响因子:
1.7
通讯作者:
T. Nakayama
T. Nakayama
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
T. Nakayama

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本文提出了一种描述低温低能下观察到的玻璃特有动力学性质的一般方法。这些是比热在温度上的线性,热导率的平台及其随后高于平台温度的上升,以及在大约5 meV处光和中子的非弹性散射增加,即所谓的玻色子峰。这种方法自然地以统一的方式解释了在低温和低能量下观察到的各种玻璃质材料的特征。
This paper presents a general approach for the description of peculiar dynamic properties of glasses observed at low temperatures and low energies. These are the specific heat linear in temperature, the plateau in the thermal conductivity and its subsequent rise above the plateau temperature, as well as the increased inelastic scattering of light and neutrons at around 5 meV, the so-called Boson peak. The approach naturally accounts for in a unified way the characteristic features observed at low temperatures and low energies for a wide variety of glassy materials.
DOI: 10.1103/physrevlett.42.673
发表时间: 1979-01-01
影响因子: 8.6
作者:
ABRAHAMS, E;ANDERSON, PW;RAMAKRISHNAN, TV
通讯作者: RAMAKRISHNAN, TV