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Condensed Matter Physics Seminar


Hard-sphere fluid with tight-binding electronic interactions

John P. Hernandez
Department of Physics and Astronomy
University of North Carolina at Chapel Hill

Time
 
Fri. May 2, 2003     10:30 AM     STIRLING 201

Abstract
 

In fluids which become metallic as their density is increased, the electron-ion interaction induces correlations among the atomic positions, not describable with a pair potential, which are crucial for understanding a spectrum of the system properties. Motivated by experimental results on the alkali-atom fluids, we have examined the influence of such interactions, using Monte Carlo simulations, on the structural, thermodynamic, and electronic properties of a simple monovalent-atom fluid model, with atomic hard-sphere repulsions and electron hopping which plays the central role by providing the only system cohesion. The model, techniques, and results will be discussed.

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