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All Categories (1761-1780 of 2301)

1. Particle-Wave Duality: an Animation

   out of 5 stars 

   07 Jul 2008 |

   This animation is publicly available at YouTube under http://www.youtube.com/watch?v=DfPeprQ7oGc

2. Introductory Concepts in Quantum Mechanics: an Exercise

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

   quantization of angular momentum and energy, photoelectric effect, deBroglie relationwww.eas.asu.edu/~vasileskNSF

3. Quantum Mechanics: Postulates

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

   A physical system is generally described by three basic ingredients: states; observables; and dynamics (or law of time evolution) or, more generally, a group of physical symmetries. A classical description can be given in a fairly direct way by a phase space model of mechanics: states are points...

4. Reading Material: Postulates of Quantum Mechanics

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska

   www.eas.asu.edu

5. Homework Assignment: Postulates of Quantum Mechanics

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

   www.eas.asu.edu/~vasileskNSF

6. Reading Material: Wavepackets

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska

   www.eas.asu.edu/~vasileskNSF

7. Homework Assignment: Wavepackets

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

   www.eas.asu.edu/~vasileskNSF

8. Quantum Mechanics: Wavepackets

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

   In physics, a wave packet is an envelope or packet containing an arbitrary number of wave forms. In quantum mechanics the wave packet is ascribed a special significance: it is interpreted to be a "probability wave" describing the probability that a particle or particles in a particular state will...

9. Reading Material: Time Independent Schrodinger Wave Equation (TISWE)

   out of 5 stars 

   07 Jul 2008 | | Contributor(s):: Dragica Vasileska

   www.eas.asu.edu/~vasileskNSF

10. Reading Material: What is Quantum Mechanics?

    out of 5 stars 

    08 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

11. Theoretical Electron Density Visualizer

    out of 5 stars 

    01 Jul 2008 | | Contributor(s):: Baudilio Tejerina

    TEDVis calculates and displays 3D maps of molecular ED and its derivatives from the wave function.

12. Bulk Monte Carlo Code Described

    out of 5 stars 

    01 Jul 2008 | | Contributor(s):: Dragica Vasileska

    In this tutorial we give implementation details for the bulk Monte Carlo code for calculating the electron drift velocity, velocity-field characteristics and average carrier energy in bulk GaAs materials. Identical concepts with minor details apply to the development of a bulk Monte Carlo code...

13. Consistent Parameter Set for an Ensemble Monte Carlo Simulation of 4H-SiC

    out of 5 stars 

    01 Jul 2008 | | Contributor(s):: Dragica Vasileska

    A consistent parameter set is presented for Ensemble Monte Carlo simulation that simultaneously reproduces the experimental low-field and high-field characteristic transport parameters of 4H SiC.D. Vasileska and S. M. Goodnick, Computational Electronics, Morgan and Claypool, 2006.Freescale...

14. Periodic Potentials and the Kronig-Penney Model

    out of 5 stars 

    01 Jul 2008 | | Contributor(s):: Dragica Vasileska

    This material describes the derivation of the Kronig-Penney model for delta-function periodic potentials.

15. Quantum-Mechanical Reflections in Nanodevices: an Exercise

    out of 5 stars 

    02 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

    This exercise points out to the fact that quantum-mechanical reflections are going to be significant in nanoscale devices and proper modeling of these device structures must take into consideration the quantum-mechanical reflections. NSF, ONR Dragica Vasileska personal web-site...

16. Periodic Potentials and Bandstructure: an Exercise

    out of 5 stars 

    02 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

    This exercise teaches the students that in the case of strong coupling between the neighboring wells in square and Coulomb periodic potential wells electrons start to behave as free electrons and the gaps that open at the Brillouin zone boundaries become smaller and smaller (thus recovering the...

17. From 1 well to 2 wells to 5 wells to periodic potentials: an Exercise

    out of 5 stars 

    02 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

    This exercise demonstrates that the interaction between the wells lifts the degeneracy of the quasi-bound states and if in the limit we have infinite periodic potential it leads to formation of energy bands. Notice that when the interaction is less strong the energy levels are more sharp and...

18. Exercise: CV curves for MOS capacitors

    out of 5 stars 

    02 Jul 2008 | | Contributor(s):: Dragica Vasileska, Gerhard Klimeck

    This exercise demonstrates to the students how the low-frequency CV curves in MOS capacitors change with changing the gate workfunction, the oxide thickness and the dielectric constant. It also demonstrates the doping variation of the high-frequency CV curves.NSFNSF

19. Open Systems

    out of 5 stars 

    30 Jun 2008 | | Contributor(s):: Dragica Vasileska

    This tutorial contains introductory material for Quantum Mechanics for Engineers with emphasis on tunneling, open systems and the definitions of transmission and reflection coefficients and their calculation in the case of piece-wise constant potential energy profiles.NSF

20. Double Barrier Case

    out of 5 stars 

    30 Jun 2008 | | Contributor(s):: Dragica Vasileska

    This material contains derivation for the transmission coefficient and current calculation in double-barrier structures that are also known as resonant tunneling diodes.