声子
Berry连接和曲率
哈密顿量(控制论)
振动
晶格振动
等价(形式语言)
格子(音乐)
曲率
物理
量子力学
凝聚态物理
经典力学
数学
量子
几何学
纯数学
数学优化
声学
作者
Z Xm,Jingjing Lü,Hongliang Wei,Wenhao Liang
出处
期刊:Journal of physics
[IOP Publishing]
日期:2020-10-01
卷期号:1650 (2): 022055-022055
被引量:1
标识
DOI:10.1088/1742-6596/1650/2/022055
摘要
Abstract In this letter, we first briefly review Hamiltonian and Newtonian method for solving lattice vibration. Second, the equivalence between phonons and Klein-Gordon particles is proven. Finally, we use the new method to analyse some simple models and compute their phonon spectrum as well as Berry curvature.
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