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USAGE OF THE ANHARMONIC CORRELATED EINSTEIN MODEL TO DEFINE THE EXPRESSIONS OF CUMULANTS AND THERMODYNAMIC PARAMETERS IN THE CUBIC CRYSTALS WITH NEW STRUCTURE FACTORS

Abstract

By using potential effective interaction in the anharmonic correlated Einstein model on the basis of quantum statistical theory with phonon interaction procedure, the expressions describing asymmetric component (cumulants) and thermodynamic parameters including the anharmonic effects contributions and by new structural parameters of cubic crystals has been formulated. This new parameters describing the distribution of atoms. The expansion of cumulants and thermodynamic parameters through new structural parameters has been performed.

About the Author

Ba Duc Nguyen
Tan Trao University, Tuyen Quang
Viet Nam


References

1. Crozier, E. D., Rehr, J. J., & Ingalls, R. (1998) X-ray Absorption Edited by D. C. Koningsberger and R. Prins, Wiley New York.

2. Hung, N. V., & Rehr, J. J. (1997) Anharmonic Correlated Einstein-Model Debye-Waller factors. Phys. Rev. B (56), p. 43.

3. Feynman, R. P. (1972) Statistics Mechanics, Benjamin, Reading.

4. Hung, N. V., Vu Kim Thai, & Nguyen Ba Duc, (2000) Calculation of Thermodynamic Parameters of bcc Crystals in XAFS theory. J. Science of VNUHanoi (XVI), 11-17.


Review

For citations:


Nguyen B. USAGE OF THE ANHARMONIC CORRELATED EINSTEIN MODEL TO DEFINE THE EXPRESSIONS OF CUMULANTS AND THERMODYNAMIC PARAMETERS IN THE CUBIC CRYSTALS WITH NEW STRUCTURE FACTORS. Science & Technique. 2014;(6):31-35.

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ISSN 2227-1031 (Print)
ISSN 2414-0392 (Online)