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Ceperley, David M. Esler, Kenneth Paul 2015-09-25T20:02:58Z 2015-09-25T20:02:58Z 10000-01-01 2006 2006 After describing these advancements in methodology, we apply our new technology to fluid sodium near its liquid-vapor critical point. In particular, we explore the microscopic mechanisms which drive the continuous change from a dense metallic liquid to an expanded insulating vapor above the critical temperature. We show that the dynamic aggregation and dissociation of clusters of atoms play a significant role in determining the conductivity and that the formation of these clusters is highly density and temperature dependent. Finally, we suggest several avenues for research to further improve our simulations. Made available in DSpace on 2015-09-25T20:02:58Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3242842.pdf: 4949188 bytes, checksum: 905267c1b211f7b5ff7959e14cc4e5cd (MD5) Previous issue date: 2006 Embargo set by: Seth Robbins for item 81819 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 208 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006. http://hdl.handle.net/2142/80537 (MiAaPQ)AAI3242842 eng Physics, Fluid and Plasma Advancements in the Path Integral Monte Carlo Method for Many -Body Quantum Systems at Finite Temperature text Physics Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.