Our well-recognized pseudopotential is used to investigate the superconducting state parameters viz; electron-phonon coupling strength λ, Coulomb pseudopotential µ * , transition temperature T c , isotope effective exponent α and interaction strength N 0 V for the In 1−x Zn x and In 1−x Sn x binary alloys. We have incorporated six different types of local field correction functions, proposed by Hartree, Taylor, Vashistha-Singwi, Ichimaru-Utsumi, Farid et al and Sarkar et al to show the effect of exchange and correlation on the aforesaid properties. Very strong influence of the various exchange and correlation functions is concluded from the present study. The comparison with other such theoretical values is encouraging, which confirms the applicability of our model potential in explaining the superconducting state parameters of binary mixture.

The study of the superconducting state parameters (SSP) viz. electron-phonon coupling strength λ, Coulomb pseudopotential µ * , transition temperature T C , isotope effect exponent α and effective interaction strength N 0 V of In-based binary alloys In 1−x Nax, In 1−x Mgx, In 1−x Znx, In 1−x Tlx, In 1−x Snx, In 1−x Pbx and In 1−x Bix have been made extensively in the present work using a model potential. To explain electron-ion interaction pseudo-alloy-atom (PAA) model is applied for the first time instead of Vegard's Law. A considerable influence of various exchange and correlation functions on λ and µ * is found from the present study. It is also concluded that T C strongly depends on the value of the effective valence Z * of binary alloys.

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Detailed theoretical investigations into asphericity in the Fermi surface (FS) and Fermi energy (FE) of Na 1;x K x , Na 1;x Rb x , and Na 1;x Cs x binary solid solutions are carried out for the rst time. The alloying behavior of the K, Rb, and Cs with the Na generates the Fermi surface distortion (FSD) of bc csimple metals. The FS of Na{K, Na{Rb, and Na{Cs solid solution is a distorted sphere with the largest deviation along 110]. We have found that the impact of local-eld correction function on FSD is maximum at 100] point and minimum at 111] po i n t. The exchange and correlation e ect is found to suppress the value of FE.

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Stability of supercooled binary liquid mixturesStructure of the equiatomic liquid alloys K-Sb, K-Bi, and Rb-Bi over a wide temperature range Abstract. The study of dynamical variables: velocity auto correlation function \(t), power spectrum g(Z) and mean square displacement of liquid lithium (Li) and its binary alloys Li 1-x B x (B=Na, K, Rb and Cs) will be presented based on static harmonic well approximation. The effective interaction for the liquids is computed by our well established local pseudopotential. The negative dip in velocity auto correlation function of Li 1-x B x falls between the negative dips of pure components. As x increases, the time t at which velocity auto correlation function reaches to its first zero also increases. In the equiatomic liquids of Li 1-x B x , the LiCs has shortest memory. For power spectrum power spectrum, as x increases, the peak of power spectrum shifts towards lower Z. In the study of mean square displacement as concentration of other alkalis increases in the Li 1-x B x , the slope of the linear growth region decreases, showing the sensitivity of diffusive process.