• P R VYAS

      Articles written in Pramana – Journal of Physics

    • Comparative study of transport properties using transition metal model potential (TMMP) for 16 liquid metals

      KAMALDEEP G BHATIA N K BHATT P R VYAS V B GOHEL

      More Details Abstract Fulltext PDF

      We propose a pseudopotential of Kumar form with two parameters, the core radius $(r_{c})$ and the model radius $(r_{m})$, which in practice is reduced to a single-parameter potential taking rm as the experimental atomic radius. The validity of the presently used pseudopotential is verified by carrying out a detailed study of transport properties of 16 liquid metals. The results of the liquid metal resistivities using the nearly free electron (NFE) Ziman’s approach and the single-site t-matrix approach are presented and compared with the experimental as well as other theoretical findings. Such comparative study confirms that the t-matrix approach is more appropriate and physically sound for a theoretical understanding of liquid metal resistivity, particularly in the case of transition metals. Furthermore, thermoelectric powers are also calculated using the present method and compared with the available experimental and theoretical results.

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