V2EX anderson localization

Anderson Localization

释义 Definition

安德森局域化:指在无序(随机)介质中,由于多次散射引发的波的干涉效应,使得电子波、光波或声波等不再自由传播,而是呈现空间上指数衰减的“被困住”状态。最常见语境是凝聚态物理中的电子在无序晶格中的局域化。(在不同学科里也可泛指波在无序系统中的局域化。)

发音 Pronunciation (IPA)

/ndrsn loklzen/

例句 Examples

Anderson localization can trap waves in a disordered material.
安德森局域化可以把波困在无序材料中,使其难以传播。

In low-dimensional systems, strong disorder may lead to Anderson localization, dramatically reducing electrical conductivity even without a band gap.
在低维系统中,强无序可能导致安德森局域化,即使没有带隙也会显著降低电导率。

词源 Etymology

Anderson”来自美国物理学家Philip W. Anderson(菲利普W安德森),他在1958年的工作中系统提出无序可导致电子态局域化;“localization”来自 local(局部的)+ -ization(……化),合起来即“局域化”。该概念后来扩展到光、声以及冷原子等各种波动体系。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Anderson, P. W. (1958). “Absence of Diffusion in Certain Random Lattices.” Physical Review 提出并奠定安德森局域化的经典论文。
  • Abrahams, E., Anderson, P. W., Licciardello, D. C., & Ramakrishnan, T. V. (1979). “Scaling Theory of Localization: Absence of Quantum Diffusion in Two Dimensions.” 局域化标度理论的重要文献。
  • Ashcroft & Mermin, _Solid State Physics_(《固体物理》) 教科书中常以无序与输运章节介绍局域化相关思想。
  • Evers & Mirlin (2008). “Anderson transitions.” Reviews of Modern Physics 综述安德森转变与局域化研究进展。
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