# Browse Dissertations and Theses - Physics by Title

• (2003)
I report ab initio simulations of nitrogen as a function of temperature and pressure that reveal new structures and basic features of the phase diagram. In particular, the simulations show there are many structures with ...

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• (2006)
In this dissertation, we present analytical, experimental, and numerical work relating to two problems in fluid flow. We first treat the oldest, hardest, and arguably one of the most important problems in boundary layer ...

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• (2003-10)

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• (2014-05-30)
We study the optical properties of luminescent silicon nanoparticles in the presence of magnetic ions of iron or erbium in solution and electric biasing. Upon the introduction of the ions under zero biasing, the ...

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• (2001)
We have used two optical spectroscopy techniques, Raman scattering spectroscopy and spectroscopic ellipsometry, to study complex phase transition behavior exhibited by the doped rare-earth manganese oxides, R1_xDxMn03 ...

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• (2001)
We observed that the metal-insulator transition in Ca3Ru 2O7 is characterized by the opening of correlation charge gap. The out-of-phase c-axis oxygen vibration phonon mode is seen to be closely associated with the ...

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• (1997)

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• (1994)
Elastic and quasi-elastic photon scattering from the deuteron were studied in the context of the polarizability of the neutron. We have measured the elastic and quasi-elastic cross sections for the scattering of tagged ...

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• (1995)
The Compton scattering cross section on the proton was measured at laboratory angles of 90$\sp\circ$ and 135$\sp\circ$, using 70-100 MeV tagged photons, and simultaneously using 100-150 MeV untagged photons, in order to ...

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• (2005-05)
The folding of small globular proteins is studied using a combination of experimental and computational techniques. The use of several experimental probes to study the formation of secondary and tertiary structure of ...

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• (2000)
This study has three goals. First, we would like to develop computational tools that are suitable for the analysis and optimization of semiconductor device structures where quantum effects are important, as for example ...

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• (2000)
Finally, a full-band approach for the solution of Schrodinger's equation based on Fast Fourier Transforms is described. Using this simulation method, it becomes possible to solve Schrodinger's equation in the one band ...

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• (2012-05-22)
In this dissertation, I devise computational approaches to model and understand two very different systems which exhibit stochastic behavior: quantum fluids with topological defects arising during quenches and forcing, and ...

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• (2009)
The protein-conducting channel, or translocon, is an evolutionarily conserved complex which allows nascent proteins to cross a cellular membrane or integrate into it, typically in concert with a bound partner (e.g ., the ...

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• (2009)
Living cells are enclosed by lipid membranes, and the inside of a cell is also subdivided into different functionally distinct membrane-bound compartments. To overcome the barrier the membranes pose for cellular trafficking ...

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• (2012-02-01)
This dissertation presents research on two different biological systems: (1) the light-harvesting proteins in the chromatophores of purple photosynthetic bacteria, and (2) the structure and function of the Hepatitis C ...

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• (2010-08-20)
In this article, three biological inquiries on cellular functions investigated through a combination of theoretical and computational methods are discussed: the morphology of the biological membrane, assembly of a multi-protein ...

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• (2010)
Titin is a mechanical protein that protects muscle from overstretching by producing a restoring force when a muscle fiber is extended beyond its normal length. Force spectroscopy studies have shown that titin exhibits ...

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• (2013-08-22)
Computer simulation is a powerful approach to study protein dynamics and functions. We employed molecular dynamics (MD) simulations to investigate large conformational changes in proteins, including folding, dimerization, ...

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PDF (37MB)
• (2001)
We have studied the extended Hubbard and the Peierls-extended Hubbard models in one dimension using primarily computational methods. We discuss the derivation of the models and the computational methods used to study ...

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