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Full-Text Articles in Physical Sciences and Mathematics

Diffusion Monte Carlo Studies Of Quantum Solvation: Finding Nodal Functions Of Wavefunctions Using A Genetic Algorithm, Christina Hansen Howell May 2010

Diffusion Monte Carlo Studies Of Quantum Solvation: Finding Nodal Functions Of Wavefunctions Using A Genetic Algorithm, Christina Hansen Howell

Undergraduate Honors Capstone Projects

Solvation is important in many chemical reactions since most reactions occur in solution. Recently, progress has been made using helium-4 nanodroplets as the solvent at temperatures close to absolute zero. Because helium-4 is a superfluid it solvates dissolved molecules much differently that does a conventional solvent. This opens up the possibility of performing new types of chemistry in the superfluid environment. However, the nature of the interaction of the dissolved species with the solvent remains poorly understood. The basic question to be answered in this project is: how does the quantum solvent perturb the rotational dynamics of the solute particles? …


Bracketing The Age Of The Great Gallery Rock Art Panel In Horseshoe Canyon, Utah By Osl Dating Of Associated Alluvial Terraces, Melissa S. Jackson May 2010

Bracketing The Age Of The Great Gallery Rock Art Panel In Horseshoe Canyon, Utah By Osl Dating Of Associated Alluvial Terraces, Melissa S. Jackson

Undergraduate Honors Capstone Projects

Barrier Canyon Style rock art (BCS) is a unique rock art style indigenous to the middle Colorado Plateau that is of an unknown age and formed by a combination of wall preparation, rock pecking, and application of multiple pigments. It is characterized by broad-shouldered, mummy-like figures that commonly lack limbs and facial details but are accompanied by animated and realistic representations of animals. The age of BCS art remains unknown in spite of attempts to radiocarbon date accessory brush fibers in the mineral-based pigment. Yet a range of age hypotheses exist, from as young as 1600 AD to as old …