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- Eric D. Chisolm, Scott D. Crockett, Duane C. Wallace
- 2008

We propose a means for constructing highly accurate equations of state (EOS) for elemental solids and liquids essentially from first principles, based upon a particular decomposition of the underlying condensed matter Hamiltonian for the nuclei and electrons. We also point out that at low pressures the neglect of anharmonic and electron-phonon terms, both… (More)

- Daniela I. Moody, Dana E. Bauer, +4 authors Ryan Keisler
- 2016 IEEE Southwest Symposium on Image Analysis…
- 2016

The increase in number of deployed satellite constellations and the improvement in sensing capabilities have led to large volumes of data with a wide range of temporal and spatial coverage. The data analysis capability, however, has been lagging, and has historically focused on single-sensor individual images. We present results from an ongoing effort to… (More)

- E D Chisolm, B E Clements, D C Wallace
- Physical review. E, Statistical, nonlinear, and…
- 2001

We present a model for the motion of an average atom in a liquid or supercooled liquid state and apply it to calculations of the velocity autocorrelation function Z(t) and diffusion coefficient D. The model trajectory consists of oscillations at a distribution of frequencies characteristic of the normal modes of a single potential valley, interspersed with… (More)

- D C Wallace, E D Chisolm, B E Clements
- Physical review. E, Statistical, nonlinear, and…
- 2001

A transit is the motion of a system from one many-particle potential energy valley to another. We report the observation of transits in molecular dynamics calculations of supercooled liquid argon and sodium. Each transit is a correlated simultaneous shift in the equilibrium positions of a small local group of particles, as revealed in the fluctuating graphs… (More)

- Eric D Chisolm, Duane C Wallace
- Physical review. E, Statistical, nonlinear, and…
- 2004

We calculate the logarithmic moment of the phonon frequency spectrum at a single density for 29 monatomic liquids using two methods, both suggested by Wallace's theory of liquid dynamics: The first method relies on liquid entropy data and the second on neutron scattering data in the crystal phase. This theory predicts that for a class of elements called… (More)

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