V2EX anderson model

Anderson Model

释义 Definition

Anderson 模型(安德森模型):凝聚态物理中的一种理论模型,用来描述无序(随机)势场中电子在晶格上的运动,并解释因无序导致的电子局域化(Anderson localization,安德森局域化)现象。常见形式为带有随机在位能的紧束缚哈密顿量。

发音 Pronunciation (IPA)

/ndrsn mdl/

例句 Examples

The Anderson model explains how disorder can localize electrons.
安德森模型解释了无序如何使电子发生局域化。

Using the Anderson model on a three-dimensional lattice, researchers studied the transition between conducting and insulating behavior as disorder increased.
研究者在三维晶格上使用安德森模型,考察了随着无序增强,体系在导电与绝缘行为之间的转变。

词源 Etymology

该术语来自美国物理学家 Philip W. Anderson(菲利普W安德森)。他在 1958 年提出无序体系中波函数可能因随机散射而呈指数衰减、从而产生“局域化”的思想;“model”指用数学形式对该物理机制进行抽象描述的理论框架。

相关词 Related Words

文学与经典文献 Literary & Notable Works

  • Philip W. Anderson, “Absence of Diffusion in Certain Random Lattices”(1958)提出并奠定安德森局域化与安德森模型的核心思想。
  • E. Abrahams (ed.), “50 Years of Anderson Localization”(约 2010)回顾安德森局域化与相关模型的发展与应用。
  • P. A. Lee & T. V. Ramakrishnan, “Disordered electronic systems”(综述,1980s)在经典综述中大量讨论与安德森模型相关的无序电子理论。
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