On the use of the variational n-parameter trial function in the calculation of the lattice thermal conductivity
G P Srivastava; G P Srivastava; Dept. of Appl. Phys. & Electronics, Univ. of Wales Inst. of Sci. & Technol., Cardiff, UK
Журнал:
Journal of Physics C: Solid State Physics
Дата:
1976-01-14
Аннотация:
The use of a variational n-parameter trial function is compared with a variational one-parameter trial function in the calculation of the lattice conductivity. The use of the former is shown to improve a lower-bound result for the conductivity arising from the use of the latter.
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