Tags: quantum transport

Resources (181-200 of 209)

  1. Matdcal

    05 May 2008 | Tools | Contributor(s): Kirk H. Bevan

    Non-equilibrium Green's Function Density Functional Theory Simulator

    https://nanohub.org/resources/Matdcal

  2. Introduction to Coulomb Blockade Lab

    31 Mar 2008 | Teaching Materials | Contributor(s): Bhaskaran Muralidharan, Xufeng Wang, Gerhard Klimeck

    The tutorial is based on the Coulomb Blockade Lab available online at Coulomb Blockade Lab. Students are introduced to the concepts of level broadening and charging energies in artificial atoms...

    https://nanohub.org/resources/4231

  3. Coulomb Blockade Simulation

    31 Mar 2008 | Tools | Contributor(s): Xufeng Wang, Bhaskaran Muralidharan, Gerhard Klimeck

    Simulate Coulomb Blockade through Many-Body Calculations in a single and double quantum dot system

    https://nanohub.org/resources/coulombsim

  4. 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...

    https://nanohub.org/resources/3988

  5. 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...

    https://nanohub.org/resources/3090

  6. 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)...

    https://nanohub.org/resources/3073

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

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

    https://nanohub.org/resources/3945

  8. Path Integral Monte Carlo

    15 Jan 2008 | Tools | Contributor(s): John Shumway, Matthew Gilbert

    Tool Description

    https://nanohub.org/resources/pimc

  9. Application of the Keldysh Formalism to Quantum Device Modeling and Analysis

    14 Jan 2008 | Papers | Contributor(s): Roger Lake

    The effect of inelastic scattering on quantum electron transport through layered semi-conductor structures is studied numerically using the approach based on the non-equilibrium Green's function...

    https://nanohub.org/resources/3833

  10. Electron-Phonon and Electron-Electron Interactions in Quantum Transport

    14 Jan 2008 | Papers | Contributor(s): Gerhard Klimeck

    The objective of this work is to shed light on electron transport through sub-micron semi-conductor structures, where electronic state quantization, electron-electron interactions and...

    https://nanohub.org/resources/3831

  11. Can numerical “experiments” INSPIRE physical experiments?

    20 Dec 2007 | Online Presentations | Contributor(s): Supriyo Datta

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of...

    https://nanohub.org/resources/3716

  12. NanoElectronic MOdeling: NEMO

    20 Dec 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational...

    https://nanohub.org/resources/3707

  13. Carrier Transport at the Nanoscale

    27 Nov 2007 | Courses | Contributor(s): Mark Lundstrom

    Fall 2007 Note: A more current teaching of this course with online lectures is available as ECE 656: Electronic Transport in Semiconductors (Fall 2011). This is a course about how...

    https://nanohub.org/resources/3589

  14. Engineering at the nanometer scale: Is it a new material or a new device?

    06 Nov 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This seminar will overview NEMO 3D simulation capabilities and its deployment on the nanoHUB as well as an overview of the nanoHUB impact on the community.

    https://nanohub.org/resources/3504

  15. MCW07 Modeling Molecule-Assisted Transport in Nanotransistors

    06 Nov 2007 | Online Presentations | Contributor(s): Kamil Walczak

    Molecular electronics faces many problems in practical device implementation, due to difficulties with fabrication and gate-ability. In these devices, molecules act as the main conducting channel....

    https://nanohub.org/resources/3074

  16. MCW07 Simple Models for Molecular Transport Junctions

    13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner

    We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.

    https://nanohub.org/resources/3072

  17. MCW07 Electronic Level Alignment at Metal-Molecule Contacts with a GW Approach

    05 Sep 2007 | Online Presentations | Contributor(s): Jeffrey B. Neaton

    Most recent theoretical studies of electron transport in single-molecule junctions rely on a Landauer approach, simplified to treat electron-electron interactions at a mean-field level within...

    https://nanohub.org/resources/3094

  18. MCW07 Modeling Charging-based Switching in Molecular Transport Junctions

    05 Sep 2007 | Online Presentations | Contributor(s): Sina Yeganeh, Misha Galperin, Mark A. Ratner

    We will discuss several proposed explanations for the switching and negative differential resistance behavior seen in some molecular junctions. It is shown that a proposed polaron model is...

    https://nanohub.org/resources/3076

  19. Electronics From the Bottom Up: a view of conductance

    17 Aug 2007 | Online Presentations | Contributor(s): Supriyo Datta

    Resistance is one of the first concepts an electrical engineer learns, but things get interesting at the nanoscale. Experimentalists have found that no matter how short the resistor is, ...

    https://nanohub.org/resources/2971

  20. HCIS-15 Lecture: Nanodevices and Maxwell’s Demon

    23 Jul 2007 | Online Presentations | Contributor(s): Supriyo Datta

    The 15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-15) lecture. This 30 minute lecture covers roughly the same material as Lecture 1 of Concepts of...

    https://nanohub.org/resources/2966