Tags: quantum transport

Online Presentations (101-120 of 134)

  1. ECE 495N Lecture 8: Shrödinger's Equation

    30 Sep 2008 | Online Presentations | Contributor(s): Supriyo Datta

    http://nanohub.org/resources/5516

  2. Quantum and Thermal Effects in Nanoscale Devices

    18 Sep 2008 | Online Presentations | Contributor(s): Dragica Vasileska

    To investigate lattice heating within a Monte Carlo device simulation framework, we simultaneously solve the Boltzmann transport equation for the electrons, the 2D Poisson equation to get the...

    http://nanohub.org/resources/5448

  3. ECE 495N Lecture 7: Quantum Capacitance/Shrödinger's Equation

    17 Sep 2008 | Online Presentations | Contributor(s): Supriyo Datta

    http://nanohub.org/resources/5423

  4. Lecture 6: Quantum Transport in Nanoscale FETs

    12 Sep 2008 | Online Presentations | Contributor(s): Mark Lundstrom

    The previous lessons developed an analytical (or almost analytical) theory of the nanoscale FET, but to properly treat all the details, rigorous computer simulations are necessary. This lecture...

    http://nanohub.org/resources/5313

  5. Lecture 4A: Energy Exchange and Maxwell's Demon

    02 Sep 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To incorporate distributed energy exchange processes into the previous models from lectures 1 through 3 which are based on a "Landauer-like picture" where the Joule heating associated...

    http://nanohub.org/resources/5271

  6. Introduction: Nanoelectronics and the meaning of resistance

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    This lecture provides a brief overview of the five-day short course whose purpose is to introduce a unified viewpoint for a wide variety of nanoscale electronic devices of great interest for all...

    http://nanohub.org/resources/5210

  7. Lecture 1A: What and where is the resistance?

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To introduce a simple quantitative model that highlights the essential parameters that determine electrical conduction: the density of states in the channel, D and the rates at...

    http://nanohub.org/resources/5211

  8. Lecture 1B: What and where is the resistance?

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To introduce a simple quantitative model that highlights the essential parameters that determine electrical conduction: the density of states in the channel, D and the rates at...

    http://nanohub.org/resources/5248

  9. Lecture 2A: Quantum Transport

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To extend the simple model from Lectures 1 into the full-fledged Non-equilibrium Green’s Function (NEGF) – Landauer model by introducing a spatial grid of N points and turning numbers...

    http://nanohub.org/resources/5263

  10. Lecture 2B: Quantum Transport

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To extend the simple model from Lectures 1 into the full-fledged Non-equilibrium Green’s Function (NEGF) – Landauer model by introducing a spatial grid of N points and turning numbers...

    http://nanohub.org/resources/5268

  11. Lecture 3A: Spin Transport

    20 Aug 2008 | Online Presentations | 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...

    http://nanohub.org/resources/5269

  12. Lecture 3B: Spin Transport

    20 Aug 2008 | Online Presentations | 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...

    http://nanohub.org/resources/5270

  13. Lecture 4B: Energy Exchange and Maxwell’s Demon

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To incorporate distributed energy exchange processes into the previous models from lectures 1 through 3 which are based on a “Landauer-like picture” where the Joule heating associated...

    http://nanohub.org/resources/5272

  14. Lecture 5A: Correlations and Entanglement

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    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...

    http://nanohub.org/resources/5273

  15. Lecture 5B: Correlations and Entanglement

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    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...

    http://nanohub.org/resources/5274

  16. Nano Carbon: From ballistic transistors to atomic drumheads

    14 May 2008 | Online Presentations | Contributor(s): Paul L. McEuen

    Carbon takes many forms, from precious diamonds to lowly graphite. Surprisingly, it is the latter that is the most prized by nano physicists. Graphene, a single layer of graphite, can serve as an...

    http://nanohub.org/resources/4398

  17. Nanoelectronic Modeling: Multimillion Atom Simulations, Transport, and HPC Scaling to 23,000 Processors

    07 Mar 2008 | Online Presentations | Contributor(s): Gerhard Klimeck

    Future field effect transistors will be on the same length scales as “esoteric” devices such as quantum dots, nanowires, ultra-scaled quantum wells, and resonant tunneling diodes. In those...

    http://nanohub.org/resources/3988

  18. MCW07 A Quantum Open Systems Approach to Molecular-Scale Devices

    25 Feb 2008 | Online Presentations | Contributor(s): Yongqiang Xue

    Experimental advances in electrically and optically probing individual molecules have provided new insights into the behavior of single quantum objects and their interaction with the...

    http://nanohub.org/resources/3090

  19. MCW07 Physics of Contact Induced Current Asymmetry in Transport Through Molecules

    25 Feb 2008 | Online Presentations | Contributor(s): Bhaskaran Muralidharan, Owen D. Miller, Neeti Kapur, Avik Ghosh, Supriyo Datta

    We first outline the qualitatively different physics involved in the charging-induced current asymmetries in molecular conductors operating in the strongly coupled (weakly interacting)...

    http://nanohub.org/resources/3073

  20. Exploring Physical and Chemical control of molecular conductance: A computational study

    01 Feb 2008 | Online Presentations | Contributor(s): Barry D. Dunietz

    http://nanohub.org/resources/3945