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Articles 1 - 10 of 10
Full-Text Articles in Physics
Bare Aluminum Oxidation, R. Steven Turley
Bare Aluminum Oxidation, R. Steven Turley
Faculty Publications
This paper computes the oxidation rate of bare evaporated aluminum thin films under high vacuum conditions and exposed to air.
An Exploration Of Crum’S And Algebraic Crum Detection, Shae Machlus, Branton Campbell
An Exploration Of Crum’S And Algebraic Crum Detection, Shae Machlus, Branton Campbell
Student Works
- The cooperative rigid unit modes (CRUM's) of cubic perovskite were investigated at non-special k-points using ISODISTORT and Shared Shifts Mathematica code. CRUM's were generated by the T4 irrep on the T line which confirms previously published results.
- The solution space of the MtM CRUM detection method was determined and compared to that of the M method. Analysis by example and by theory showed the solution spaces of both methods are identical. MtM was realized to be effectively M with a lower tolerance. An improved row reduction routine is being developed that uses an adaptable ratio-driven tolerance instead of …
Reflectance Of Xuv Light On A Two Dimensional Conducting Rough Surface, Chelsea Thangavelu
Reflectance Of Xuv Light On A Two Dimensional Conducting Rough Surface, Chelsea Thangavelu
Student Works
A Fortran program is set up to solve for the reflectance of XUV light from a rough two dimensional surface, resembling experimental mirrors used to reflect XUV light. Because the roughness of the surface is on the order of magnitude of the wavelength of XUV light, our approach requires a Greene's Function instead of using traditional geometrical optics or physical optics. Our Fortran program calculates the impedance (Z) matrix which requires integration over Greene's Function at non-singular points. The Z matrix helps solve for the induced surface current J(x') at non-singular points. At singular points, the program implements a series …
Exploring The Solvability Of The Jaynes-Cummings And Jaynes-Cummings-Like Models: Implementing Quantum Control, Austen Couvertier
Exploring The Solvability Of The Jaynes-Cummings And Jaynes-Cummings-Like Models: Implementing Quantum Control, Austen Couvertier
Student Works
In this paper we aim to explore the dynamics and overall solvability of the Jaynes-Cummings \& Jaynes-Cummings-Like models. As a lens to understand these dynamics, we focused on cases where the parameters of the system were made time-dependent. All previous work on solving the dynamics of the Jaynes-Cummings models has relied heavily on the use of differential methods and setting the parameters as time-independent constants which were zero or one. To account for this, we utilized the Wei-Norman method which allowed us to analytical solve the time-dependent Hamiltonian. Through the use of this method, we can understand the more general …
Developing A Location Detector Using Acoustical Energy Quantities, Jacey Young
Developing A Location Detector Using Acoustical Energy Quantities, Jacey Young
Student Works
In this paper, development through the use of LabVIEW for an acoustical energy quantity detector is discussed. This detector uses the quantity of sound intensity to locate the direction of a sound source in three dimensional space with relation to the center of a spherical microphone probe placed directly under a web camera. The direction and the magnitude of the sound intensity are then used to generate an arrow pointing in the direction of the sound source and position it on top the web camera's image of the surrounding area. These quantities are then also used to highlight an area …
2d Surface Creation Using Intel Mkl, R. Steven Turley
2d Surface Creation Using Intel Mkl, R. Steven Turley
Faculty Publications
This document illustrates how to use the Intel Math Kernel Library (MKL) to create surfaces with a given cut-off spatial frequency and rms surface height. They closely mimic typical surfaces our group has measured using atomic force microscopy (AFM).
Circular Integration Region, R. Steven Turley
Circular Integration Region, R. Steven Turley
Faculty Publications
This report explains how to transform a singular integration over the an arc of a circle into an integration over a unit square using various coordinate transformations include a Duffy transformation. Fortran code illustrating the algorithms is included along with unit test validations.
Using Page Method In The Two Point Method To Determine Sound Power, Christopher Reynolds
Using Page Method In The Two Point Method To Determine Sound Power, Christopher Reynolds
Student Works
Sound power is the energy emitted by a sound source per unit time. It is commonly used by industries to determine the noise (unwanted sound) of machinery. There are multiple recognized standards for determining the sound power of a source. The requirements for the ISO3741 standard are tedious and strict but can produce a low standard of deviation in the results. There is another method, the Two Point method, which less strict than the standards but the standard of deviation in the results vary. This paper discusses the performance of the PAGE method employed in the Two Point method to …
Magnetic Domain Morphology In [Co(4a)/Pt(7a] Thin Film, Jeremy Metzner
Magnetic Domain Morphology In [Co(4a)/Pt(7a] Thin Film, Jeremy Metzner
Student Works
A collection of results for multi-layered thin films and their magnetic domains.
Three Ways To Stabilize An Injection Lock, Ethan Welch, Dallin Durfee, Jarom Jackson
Three Ways To Stabilize An Injection Lock, Ethan Welch, Dallin Durfee, Jarom Jackson
Student Works
An injection locked laser can jump out of lock if its current or temperature drifts. By monitoring the spectra or the amplitude of the injection locked laser, we have been able to detect drifts and apply feedback to prevent injection lock from breaking.