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NCN at Northwestern: Student Leadership Council Seminars

By NCN SLC@Northwestern

Northwestern University

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  • NCN at Northwestern University (2006), "NCN at Northwestern: Student Leadership Council Seminars," https://nanohub.org/resources/1965.

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In This Series

  1. Exploring Electron Transfer with Density Functional Theory

    11 Jun 2006 | Online Presentations | Contributor(s): Troy Van Voorhis

    This talk will highlight several illustrative applications of constrained density functional theory (DFT) to electron transfer dynamics in electronic materials. The kinetics of these reactions are commonly expressed in terms of well known Marcus parameters (driving force, reorganization energy …

  2. Dynamics on the Nanoscale: Time-domain ab initio studies of quantum dots, carbon nanotubes and molecule-semiconductor interfaces

    31 Jan 2008 | Online Presentations | Contributor(s): Oleg Prezhdo

    Device miniaturization requires an understanding of the dynamical response of materials on the nanometer scale. A great deal of experimental and theoretical work has been devoted to characterizing the excitation, charge, spin, and vibrational dynamics in a variety of novel materials, including …

  3. Renormalization Group Theories of Strongly Interacting Electronic Structure

    20 Apr 2007 | Online Presentations | Contributor(s): Garnet Chan, NCN SLC@Northwestern

    Our work is in the area of the electronic structure and dynamics of complex processes. We engage in developing new and more powerful theoretical techniques which enable us to describe strong electronic correlation problems. Of particular theoretical interest are the construction of fast …

  4. Orbital Mediated Tunneling in a New Unimolecular Rectifier

    25 May 2007 | Online Presentations | Contributor(s): Robert Metzger, NCN SLC@Northwestern

    In 1997 we showed that hexadecylquinolinium tricyanoquinodimethanide is a unimolecular rectifier, by scanning tunneling microscopy and also as a Langmuir-Blodgett (LB) monolayer, sandwiched between Al electrodes. We have now seen rectification in a new molecule: this rectification can be followed …

  5. Calculating Resonances Using a Complex Absorbing Potential

    13 Mar 2008 | Online Presentations | Contributor(s): Robin Santra

    The Siegert (or Gamow) wave function associated with a resonance state is exponentially divergent at large distances from the scattering target. A complex absorbing potential (CAP) provides a computationally simple and efficient technique for calculating the complex Siegert energy of a resonance …

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

    31 Jan 2008 | Online Presentations | Contributor(s): Barry D. Dunietz

  7. Designer Atoms: Engineering Rydberg Atoms Using Pulsed Electric Fields

    20 Jun 2008 | Online Presentations | Contributor(s): F. Barry Dunning

    Advances in experimental technique allow application of pulsed unidirectional electric fields, termed half-cycle pulses (HCPs), to Rydberg atoms whose characteristic times are much less than the classical electron orbital period. In this limit each HCP simply delivers an impulsive momentum …

  8. Potassium Channels: Conduction, Selectivity, Blockage, Inactivation, and Gating

    03 Nov 2006 | Online Presentations | Contributor(s): Benoit Roux, NCN SLC@Northwestern

    The determination of the structure of the KcsA K+ channel from Streptomyces lividan has made it possible to investigate the function of a biological channel at the atomic level. Because of its structural similarity with eukaryotic K-channels, investigations of KcsA are expected to help …

  9. Selected Properties of Carbon Nanostructures: from Exotic Fullerenes to Nanotubes

    30 Mar 2008 | Online Presentations | Contributor(s): Manfred M. Kappes

    The talk presents results from ongoing projects in the field of carbon nanostructures: (i) Mass selected ion beam soft-landing has been used to generate exotic fullerene materials comprising covalent linked, non-IPR cages. Apart from microscopic structure, we have studied thermal and electronic …

  10. Dynamics of Quantum Fluids: Path integral and Semiclassical Methods

    21 May 2008 | Online Presentations | Contributor(s): Nancy Makri

    The interplay of many-body nonlinear interactions and quantum mechanical effects such as zero-point motion or identical particle exchange symmetries lead to intriguing phenomena in low-temperature fluids, some of which remain poorly understood. Recent advances in theory and methodology have …

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