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Tags: quantum mechanics

Resources

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Online Presentations

  • 9.6 Ranking Heller: Electrons in Two Dimensions: ...

    Electrons in Two Dimensions: Quantum Corrals and Semiconductor Microstructures

    Type Online Presentations
    Contributor(s) Eric J. Heller
    Date 04 Dec. 2007
    Avg. Rating 5.0 out of 5 stars  (1)
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    The images generated by a scanning tunneling microscope are iconic. Some of the most famous are Don Eigler’s quantum corrals, which reveal not only the guest atoms on a surface but especially the interference patterns of electrons shuttling back and forth along the surface. To understand the ...

  • 8.7 Ranking Wagner: The basics of quantum Monte Carlo

    The basics of quantum Monte Carlo

    Type Online Presentations
    Contributor(s) Lucas Wagner, Jeffrey Grossman, Jeffrey B. Neaton
    Date 18 Jun. 2007
    Avg. Rating 4.5 out of 5 stars  (3)
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    Quantum Monte Carlo is a highly accurate method to approximately solve the Schrodinger equation. I explain quantum Monte Carlo in a way that should be accessible to someone who is somewhat familiar with quantum mechanics. The discussion is mostly conceptual.Lucas Wagner is a postdoctoral ...

  • 5.6 Ranking Chan: Renormalization Group Theories of ...

    Renormalization Group Theories of Strongly Interacting Electronic Structure

    Type Online Presentations
    Contributor(s) Garnet Chan, NCN SLC@Northwestern
    Date 20 Apr. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    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 ...

  • 0.0 Ranking Kais: Finite Size Scaling and Quantum ...

    Finite Size Scaling and Quantum Criticality

    Type Online Presentations
    Contributor(s) Sabre Kais
    Date 09 May. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    The study of quantum phase transitions, which are driven by quantum fluctuations as a consequence of Heisenberg's uncertainty principle, continues to be of increasing interest in the fields of condensed matter and atomic and molecular physics. In this field we have established an ...

  • 0.0 Ranking Kais: Finite Size Scaling and Quantum ...

    Finite Size Scaling and Quantum Criticality

    Type Online Presentations
    Contributor(s) Sabre Kais
    Date 02 Jan. 2008
    Avg. Rating 0.0 out of 5 stars  (0)
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    In statistical mechanics, the finite size scaling method provides a systematic way to extrapolate information about criticality obtained from a finite system to the thermodynamic limit. For quantum systems, the finite size corresponds not to the spatial dimension but to the number of elements in a ...

  • 0.0 Ranking Lee: Introduction to Quantum Dot Lab

    Introduction to Quantum Dot Lab

    Type Online Presentations
    Contributor(s) Sunhee Lee, Hoon Ryu, Gerhard Klimeck
    Date 31 Mar. 2008
    Avg. Rating 0.0 out of 5 stars  (0)
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    The nanoHUB tool "Quantum Dot Lab" allows users to compute the quantum mechanical "particle in a box" problem for a variety of different confinement shapes, such as boxes, ellipsoids, disks, and pyramids. Users can explore the energy spectrum and orbital shapes of new quantized ...

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Teaching Materials

  • 10.0 Ranking Grossman: Computational Nanoscience, Lecture ...

    Computational Nanoscience, Lecture 4: Geometry Optimization and Seeing What You're Doing

    Type Teaching Materials
    Contributor(s) Jeffrey Grossman, Elif Ertekin
    Date 13 Feb. 2008
    Avg. Rating 5.0 out of 5 stars  (1)
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    In this lecture, we discuss various methods for finding the ground state structure of a given system by minimizing its energy. Derivative and non-derivative methods are discussed, as well as the importance of the starting guess and how to find or generate good initial structures. We also briefly ...

  • 8.4 Ranking Bonilla: Molecular Orbital Theory

    Molecular Orbital Theory

    Type Teaching Materials
    Contributor(s) Luis Emmanuel Bonilla
    Date 18 Dec. 2006
    Avg. Rating 0.0 out of 5 stars  (0)
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    This is the seventh contribution from the students in the University of Texas at El Paso Molecular Electronics course given in the fall of 2006. Luis Bonilla and Abel Perez have designed a presentation on molecular orbital theory for high school students.Abel Perez: I obtained my BS at Instituto ...

  • 6.7 Ranking Muralidharan: Introduction to Coulomb Blockade ...

    Introduction to Coulomb Blockade Lab

    Type Teaching Materials
    Contributor(s) Bhaskaran Muralidharan, Xufeng Wang, Gerhard Klimeck
    Date 31 Mar. 2008
    Avg. Rating 0.0 out of 5 stars  (0)
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    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 (single quantum dots) and molecules (coupled quantum dots). A tutorial level introduction to the ...

  • 5.7 Ranking Klimeck: Homework Exercise on Quantum Dot ...

    Homework Exercise on Quantum Dot Spectra, Absorption, and State Symmetry

    Type Teaching Materials
    Contributor(s) Gerhard Klimeck
    Date 30 Mar. 2008
    Avg. Rating 0.0 out of 5 stars  (0)
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    The tutorial questions based on the Quantum Dot Lab v1.0 available online at Quantum Dot Lab. Students are asked to explore the various different quantum dot shapes, optimize the intra-band absorption through geometry variations, and the concepts of state symmetry and eigenstates. NCN@Purdue

  • 0.0 Ranking Ferry: Bandstructure Homework Assignment ...

    Bandstructure Homework Assignment - Finite Height Quantum Well

    Type Teaching Materials
    Contributor(s) David K. Ferry
    Date 31 Jan. 2008
    Avg. Rating 0.0 out of 5 stars  (0)
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    Use the Resonant Tunneling Diodes simulation tool on nanoHUB to explore the effects of finite height quantum wells. Looking at a 2 barrier device, 300 K, no bias, other standard variables, and 3 nm thick barriers and a 7 nm quantum well, determine the energies of the two lowest quasi-bound states.

  • 0.0 Ranking Grossman: Computational Nanoscience, Lecture ...

    Computational Nanoscience, Lecture 13: Introduction to Computational Quantum Mechanics

    Type Teaching Materials
    Contributor(s) Jeffrey Grossman, Elif Ertekin
    Date 05 May. 2008
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    In this lecture we introduce the basic concepts that will be needed as we explore simulation approaches that describe the electronic structure of a system.

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Publications

  • 5.4 Ranking Nikonov: Simulation of highly idealized, ...

    Simulation of highly idealized, atomic scale MQCA logic circuits

    Type Publications
    Contributor(s) Dmitri Nikonov
    Date 15 Nov. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    Spintronics logic devices based on majority gates formed by atomic-level arrangements of spins in the crystal lattice is considered. The dynamics of switching is modeled by time-dependent solution of the density-matrix equation with relaxation. The devices are shown to satisfy requirements for ...

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