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Photonic Structures with Topological Robustness: from Classical to Quantum
09 Jan 2017 | | Contributor(s):: Mohammad Hafezi
In this talk, I demonstrate how similar physics can be observed for photons; specifically, how various quantum Hall Hamiltonians can be simulated in an optical platform. I report on the first observation of topological photonic edge state using silicon-on-insulator technology and our recent...
Few-Body Insights Into the Quantum Hall Problem
05 Jan 2016 |
This talk will summarize insights that emerge from theoretically treating a finite number of (3-8) electrons confined to a two-dimensional plane with a magnetic field oriented transversely. This is the prototype system of strongly-correlated electrons in condensed matter physics, which...
ECE 606 Lecture 12: High Field, Mobility, Hall Effect, Diffusion
10 Oct 2012 | | Contributor(s):: Gerhard Klimeck
ECE 606 Lecture 10: Shockley, Reed, Hall and other Recombinations
30 Sep 2012 | | Contributor(s):: Gerhard Klimeck
ECE 656 Lecture 17: Near-Equilibrium Measurements I
01 Nov 2011 | | Contributor(s):: Mark Lundstrom
Outline:IntroductionResistivity / conductivity measurementsHall effect measurementsThe van der Pauw methodSummary
ECE 656 Lecture 18: Near-Equilibrium Measurements II
Outline:ReviewThe van der Pauw methodTemperature-dependent measurementsErrors in Hall effect measurementsGraphene: a case studySummary
Lecture 8: Measurements
16 Aug 2011 | | Contributor(s):: Mark Lundstrom
A brief introduction to commonly-used techniques, such as van der Pauw and Hall effect measurements.
Near-Equilibrium Transport: Fundamentals and Applications
28 Jul 2011 | | Contributor(s):: Mark Lundstrom
Engineers and scientists working on electronic materials and devicesneed a working knowledge of "near-equilibrium" (also called "linear"or "low-field") transport. The term "working knowledge" meansunderstanding how to use theory in practice. Measurements ofresistivity, conductivity, mobility,...
Coupled Effect of Strain and Magnetic Field on Electronic Bandstructure of Graphene
07 Dec 2010 | | Contributor(s):: yashudeep singh
We explore the possibility of coupling between planar strain and perpendicular magnetic field on electronic bandstructure of graphene. We study uni-axially, bi-axially and shear strained graphene under magnetic field. In line with Rammal’s formalism using nearest neighbor tight binding scheme we...
Discussion Session 2 (Lectures 3 and 4)
08 Sep 2010 | | Contributor(s):: Supriyo Datta
Lecture 3: Introduction to NEGF
ECE 606 Lecture 17: Hall Effect, Diffusion
out of 5 stars
24 Feb 2009 | | Contributor(s):: Muhammad A. Alam
Outline:Measurement of mobilityHall Effect for determining carrier concentrationPhysics of diffusionConclusions
ECE 659 Lecture 7: Hall Effect II
03 Feb 2009 | | Contributor(s):: Supriyo Datta
ECE 659 Lecture 6: Hall Effect I
The Optical Freqency Comb: A Remarkable Tool for Metrology, Science and Medical Diagnostics
31 Dec 2008 | | Contributor(s):: John L. Hall
The Optical Frequency Comb concept and technology exploded in 1999-2000 from the synthesis of advances in independent fields of Laser Stabilization, UltraFast Lasers, and NonLinear Optical Fibers. The Comb was developed first as a method for optical frequency measurement, enabling a...
Lecture 3A: Spin Transport
20 Aug 2008 | | Contributor(s):: Supriyo Datta
Objective: To extend the model from Lectures 1 and 2 to include electron spin. Every electron is an elementary “magnet” with two states having opposite magnetic moments. Usually this has no major effect on device operation except to increase the conductance by a factor of two.But it is now...
Lecture 3B: Spin Transport
Hall Effect - Theoretical Exercise
03 Aug 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck