Introduction to Quantum Transport

Overview

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This course introduces the Schrödinger equation, using the tight-binding method to discuss the concept of bandstructure and E(k) relations, followed by an introduction to the NEGF method with simple illustrative examples. Concept of spinors is introduced along with the application of the NEGF method to spintronic devices.

No prior background in quantum mechanics or statistical mechanics is assumed.

Verified students taking this course will be required to complete three (3) proctored exams using the edX online Proctortrack software. To be sure your computer is compatible, see Proctortrack Technical Requirements.

Nanoscience and Technology MicroMasters ®

Introduction to Quantum Transport is one course in a growing suite of unique, one-credit-hour short courses developed in an edX/Purdue University collaboration. Students may elect to pursue a verified certificate for this specific course alone or as one of the six courses needed for the edX/Purdue MicroMasters® program in Nanoscience and Technology.

For further information and other courses offered, see the Nanoscience and Technology MicroMasters® page. Courses like this can also apply toward a Purdue University MSECE degree for students accepted into the full master’s program.

Syllabus

Week 1: Schrödinger Equation

1.1 Introduction
1.2 Wave Equation
1.3 Differential to Matrix Equation
1.4 Dispersion Relation
1.5 Counting States

Week 2: Schrödinger Equation (continued)

1.6 Beyond 1D
1.7 Lattice with a Basis
1.8 Graphene
1.9 Reciprocal Lattice/Valleys
1.10 Summing Up

Week 3: Contact-ing Schrödinger & Examples

2.1 Introduction
2.2 Semiclassical Model
2.3 Quantum Model
2.4 NEGF Equations
2.5 Bonus Lecture, NOT covered on exams
2.6 Scattering Theory

Week 4: Contact-ing Schrödinger & Examples (continued)
2.7 Transmission
2.8 Resonant Tunneling
2.9 Dephasing
2.10 Summing Up
3.1 Bonus Lecture, NOT covered on exams
3.2 Quantum Point Contact
3.3 - 3.10 Bonus Lectures, NOT covered on exams

Week 5: Spin Transport

4.1 Introduction
4.2 Magnetic Contacts
4.3 Rotating Contacts
4.4 Vectors and Spinors
4.5 - 4.6 Bonus Lectures NOT covered on exams
4.7 Spin Density/Current
4.8-4.10 Bonus Lectures NOT covered on exams

Text: S. Datta, “Lessons from Nanoelectronics”, Part B: Quantum Transport, World Scientific, Second Edition 2017
The manuscript will be available for download in the course.