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Measurements of the spatio-temporal profiles of femtosecond laser pulses
(Georgia Institute of Technology, 2007-06-28)
The main contributions of this thesis to the field of ultrashort pulse measurement are a new set of experimental tools to measure the spatio-temporal fields of femtosecond pulses, and a new simplified formalism to describe ...
Numerical Simulations of Ultrafast Pulse Measurements
(Georgia Institute of Technology, 2007-07-03)
This thesis contains two major components of research: numerical simulation of optical-parametric amplification cross correlation of Frequency-Resolved Optical Gating (OPA-XFROG) and numerical simulation of GRENOUILLE and ...
Initial evaluation of LM phase-locker
(Georgia Institute of Technology, 2007-08-15)
BCS to BEC Evolution and Quantum Phase Transitions in Superfluid Fermi Gases
(Georgia Institute of Technology, 2007-06-29)
This thesis focuses on the analysis of Bardeen-Cooper-Schrieffer (BCS)
to Bose-Einstein condensation (BEC) evolution in ultracold superfluid
Fermi gases when the interaction between atoms is varied. The tuning of ...
Electronic structure and spectra of few-electron quantum dots
(Georgia Institute of Technology, 2007-05-18)
Using the method of breaking circular symmetry and the subsequent symmetry restoration via projection techniques, we calculate the ground-state energies and excitation spectra of N-electrons confined in parabolic quantum ...
Rectified Brownian Motion in Biology
(Georgia Institute of Technology, 2007-07-09)
Nanoscale biological systems operate in the presence of overwhelming viscous drag and thermal diffusion, thus invalidating the use of macroscopically oriented thinking to explain such systems. Rectified Brownian motion ...
Ultra-broadband phase-matching ultrashort-laser-pulse measurement techniques
(Georgia Institute of Technology, 2007-07-03)
In the past several decades the technology for the creation and use of ultrashort pulses has progressed tremendously. Now, it is possible to generate laser pulses as short as a few femtoseconds in duration, and such pulses ...
Studies of Triaxial Rotors and Band Mixing in Nuclei
(Georgia Institute of Technology, 2007-04-06)
Rigid rotor models were investigated with constraints from data for even-even nuclei. Specifically, from precision gamma-ray intensity measurements for 166-Er (from 166m-Ho and 166-Tm beta decays); from B(E2) systematics; ...
Spin Transport In Aluminum Grains and Single Debye Relaxation In BST nanoparticles
(Georgia Institute of Technology, 2007-07-05)
This thesis consists of two distinct components: (1) Spin-polarized electron transport through aluminum array nanoparticles, (2) A single electric relaxation process in Barium Strontium Titanate (BST) nanoparticles.
...
Confinement effect on semiconductor nanowires properties
(Georgia Institute of Technology, 2007-11-02)
Confinement effect on semiconductor nanowires properties.
Alexis Nduwimana
100 pages
Directed by Dr. Mei-Yin Chou
We study the effect of confinement ...