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Liquid State Thermodynamics: Application to Highly Compressed Solids†

Published online by Cambridge University Press:  21 February 2011

Randall S. Jones  and
N. W. Ashcroft
Randall S. Jones
Affiliation:
quantum Theory Project, University of Florida, Gainesville, FL 32611
N. W. Ashcroft
Affiliation:
Laboratory of Atomic and Solid-State Physics, Cornell University, Ithaca, NY 14853
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Thermodynamic properties of materials above a few hundred KBars can normally be obtained only by dynamic techniques which have the associated difficulty (from the theoretical point of view) that the high pressure states are usually also at quite high temperatures. Thus, it is important to obtain accurate estimates of the thermal contribution to the thermodynamic functions. Within the pair potential model of solids, these thermal contributions may be determined by a self-consistent phonon approximation, but this is generally a very complicated calculation. Numerous approximate methods have thus been developed to estimate the thermal contribution to the thermodynamic functions [1].

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 183
Copyright
Copyright © Materials Research Society 1984

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Footnotes

†

Work supported in part by the Army Research Office, under grant #DAAG-29–82-K-0170

References

REFERENCES

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3. Percus, J.K. and Yevick, G.J., Phys. Rev. 110, 1 (1958).Google Scholar
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5. Barker, J.A., Lattice Theories of the Liquid State (McMillan-Hill,1963).Google Scholar
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7. Jones, R.S. and Ashcroft, N.W., J. Chem. Phys. xxx (1983).Google Scholar