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Correlated Electron Transport in Mesoscopic Structures

介观结构中的相关电子传输

基本信息

批准号：
9423244
负责人：
Leonid Glazman
金额：
$ 18万
依托单位：
University of Minnesota-Twin Cities
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1995
资助国家：
美国
起止时间：
1995-02-01 至 1999-01-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9423244&HistoricalAwards=false
关键词：
Correlated Electron Transport Mesoscopic Structures

项目摘要

9423244 Glazman The goal of this project is to develop a theory of charge transport in an interacting electron system which is confined to a wide channel. The PI will investigate the effect of a magnetic field on transport, and the structure of the tunneling density of states on a two-dimensional electron liquid in a weak magnetic field. The study includes finding the evolution of this structure with field strength, disorder, and geometrical confinement and relating it to the properties of the collective excitations of the electron liquid. The PI will use two approaches based upon perturbation theory in the interaction strength and upon the continuous medium description of the electron system. The project involves making specific predictions for the observable characteristicq and comparisons with existing experiments. %%% This theoretical project involves understanding the flow of electrons, i.e., the current in a wide channel. The PI is known for using simple and intuitive physical pictures rather than relying on more formal mathematical developments. He is considered one of the brightest theorists in this area of physics in his age group. The PI will make specific predictions for the observable characteristics and comparisons with existing experiments. This work has applications to thin films and semiconducting devices. It is likely to lead to an improved understanding of a number of experiments and is likely to have an impact on future experiments. ***

9423244 Glazman这个项目的目标是发展一个相互作用的电子系统中的电荷传输理论，该系统被限制在一个宽的通道中。 PI将研究磁场对输运的影响，以及弱磁场中二维电子液体的隧穿态密度结构。这项研究包括找到这种结构的演变与场强，无序和几何约束，并将其与电子液体的集体激发的性质。 PI将使用两种方法，基于相互作用强度的微扰理论和电子系统的连续介质描述。该项目包括对可观察到的特征进行具体预测，并与现有实验进行比较。这个理论项目涉及到理解电子的流动，即，宽水道中的水流。 PI以使用简单直观的物理图像而闻名，而不是依赖于更正式的数学发展。他被认为是物理学领域最聪明的理论家之一。 PI将对可观察到的特征进行具体预测，并与现有实验进行比较。这项工作有应用到薄膜和半导体器件。它可能会导致对一些实验的更好的理解，并可能对未来的实验产生影响。 ***