Quantum Mechanics for Engineers: Podcasts

07 Jul 2008 | Series | Contributor(s): Dragica Vasileska, Gerhard Klimeck, David K. Ferry

This course will introduce the students to the basic concepts and postulates of quantum mechanics. Examples will include simple systems such as particle in an infinite and finite well, 1D and 2D …

https://nanohub.org/resources/4920

Quantum Mechanics: Stationary Perturbation Theory

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

Stationary perturbation theory is concerned with finding the changes in the discrete energy levels and the changes in the corresponding energy eigenfunctions of a system, when the Hamiltonian of a …

https://nanohub.org/resources/5014

Quantum Mechanics: Time-Dependent Perturbation Theory

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

Time-dependent perturbation theory, developed by Paul Dirac, studies the effect of a time-dependent perturbation V(t) applied to a time-independent Hamiltonian H0. Since the perturbed Hamiltonian is …

https://nanohub.org/resources/5021

Quantum Mechanics: WKB Approximation

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

In physics, the WKB (Wentzel–Kramers–Brillouin) approximation, also known as WKBJ (Wentzel–Kramers–Brillouin–Jeffreys) approximation, is the most familiar example of a semiclassical …

https://nanohub.org/resources/4992

Quantum Mechanics: Tunneling

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

In quantum mechanics, quantum tunnelling is a micro nanoscopic phenomenon in which a particle violates the principles of classical mechanics by penetrating a potential barrier or impedance higher …

https://nanohub.org/resources/4945

Quantum Mechanics: Time Independent Schrodinger Wave Equation

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

In physics, especially quantum mechanics, the Schrödinger equation is an equation that describes how the quantum state of a physical system changes in time. It is as central to quantum mechanics as …

https://nanohub.org/resources/4937

Quantum Mechanics: Introductory Concepts

07 Jul 2008 | Series | Contributor(s): Dragica Vasileska, Gerhard Klimeck, David K. Ferry

In this section of the Quantum Mechanics class we discuss the particle-wave duality and the need for the quantization of energy to explain the black-body radiation and the photoelectric effect. We …

https://nanohub.org/resources/4910

Quantum Mechanics: Wavepackets

07 Jul 2008 | Series | 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 …

https://nanohub.org/resources/4932