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Lecture 5B: Correlations and Entanglement

By Supriyo Datta

Purdue University

Published on

Abstract

Objective: To relate the one-electron picture used throughout these lectures to the more general but less tractable many-particle picture that underlies it. We introduce this new viewpoint using the example of Coulomb blockaded electronic devices that are difficult to model within the picture developed so far, but can be understood fairly simply in terms of a many-electron picture. This picture is then used to introduce the concept of entangled states possible approaches to extending the NEGF-Landauer framework from Lectures 1 through 4 to model correlations and entanglements. The overall message is that while there has been enormous progress in our understanding in the last twenty years and the resulting NEGF-Landauer approach provides a powerful framework for a wide variety of problems. But the approach has its limitations and there are important conceptual issues that have to be resolved to take transport theory to its next level.

This lecture is in video format only. This is part 2 of 2.

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Researchers should cite this work as follows:

  • Supriyo Datta (2008), "Lecture 5B: Correlations and Entanglement," http://nanohub.org/resources/5274.

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Location

Purdue University, West Lafayette, IN

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