Physical & Applied Sciences: Recent submissions

  • Structural and magnetic behaviour of CeSi(0.6)Ga(1.4) 
    Priolkar, K.R.; Pattalwar, S.M.; Mishra, P.K.; Raj, P.; Sathyamoorthy, A.; Dhar, S.K.; Sahni, V.C.; Sarode, P.R.; Prabhu, R.B. (Solid State Communications. 104(2); 1997; 71-73.)
    Crystal structure, resistivity, specific heat and magnetic susceptibility of CeSi(0.6)Ga(1.4) have been studied. The compound crystallizes in AlB2 type structure. The magnetic ordering temperature is reduced further from ...
  • Magnetic spectral response of cerium based Kondo systems 
    Priolkar, K.R.; Prabhu, R.B.; Sarode, P.R.; Rao, M.N.; Paranjpe, S.K.; Raj, P.; Sathyamoorthy, A. (Solid State Communications. 101(11); 1997; 825-829.)
    Inelastic neutron scattering studies on two cerium Kondo systems, CeSiGa and CeSn(2)In are reported. In CeSiGa the thermal evolution of the quasielastic line width indicates a strong competition between Kondo and RKKY ...
  • Effect of Te doping in MnSe: A resistivity study 
    D'Sa, J.B.C.E.; Priolkar, K.R.; Sarode, P.R.; Prabhu, R.B. (Solid State Physics (India), Ed. by: S.L. Chaplot, P.S.R. Krishna and T. Sakuntala. Narosa Publishing House, New Delhi. 44; 2002; 491-492.)
    We report our electrical resistivity measurements on NaCl type MnSe(1-y)Te(y) y=(0, 0.3, 0.4, 0.5) as a function of temperature. Alt the samples show activation type behaviour and energy gap decreasing with increasing Te ...
  • T-C degradation in cuprate superconductors from the resistivity of Yba2(Cu(1-X)M(X))(4)O(8) for M=Fe and Ni 
    Lal, R.; Awana, V.P.S.; Pandey, S.P.; Yadav, V.S.; Varandani, D.; Narlikar, A.V.; Chhikara, A.; Gmelin, E. (Physical Review B. 51(1); 1995; 539-546.)
    Systematic measurements of the resistivity of the polycrystalline samples of the YBa(2)(Cu(1−x)M(x))(4)O(8) system with M=Fe, Ni are reported. The resistivity behavior depends strongly on the dopant concentration. For the ...
  • On spectral properties of perturbed operators 
    Nair, M.T. (Proceedings of the American Mathematical Society. 123(6); 1995; 1845-1850.)
    Farid (1991) has given an estimate for the norm of a perturbation V required to obtain an eigenvector for the perturbed operator T + V within a given ball centered at a given eigenvector of the unperturbed (closed linear) ...
  • A class of discrepancy principles for the simplified regularization of ill-posed problems 
    George, S.; Nair, M.T. (Journal of the Australian Mathematical Society Series B-Applied Mathematics. 36; 1994; 242-248.)
    A class of discrepancy principles for the choice of parameters for the simplified regularization of ill-posed problems is proposed. This procedure does not require knowledge of the unknown solution, and if the smoothness ...
  • A pseudospectral 3-dimensional boundary integral method applied to a nonlinear model problem from finite elasticity 
    Ganesh, M.; Graham, I.G.; Sivaloganathan, J. (Siam Journal on Numerical Analysis. 31(5); 1994; 1378-1414.)
    This paper concerns the numerical analysis of the pseudospectral boundary integral method for the solution of linear boundary value problems for the vector Laplace equation in a three-dimensional (3D) region formed when a ...
  • Parameter choice by discrepancy principles for ill-posed problems leading to optimal convergence-rates 
    George, S.; Nair, M.T. (Journal of Optimization Theory and Applications. 83(1); 1994; 217-222.)
    Schock (Ref. 1) considered a general a posteriori parameter choice strategy for the Tikhonov regularization of the ill-posed operator equation Tx=y which provides nearly the optimal rate of convergence if the minimal-norm ...
  • A unified approach for regularized approximation methods for fredholm integral-equations of the 1st kind 
    Nair, M.T. (Numerical Functional Analysis and Optimization. 15(3-4); 1994; 381-389.)
    A unified approach for regularized approximation methods for Fredholm integral equations of the first kind is presented.Convergence theorems are proved in both the Hilbert space setting and in the uniform norm; the rate ...
  • X-ray absorption study of cerium intermetallics 
    Sarode, P.R.; Priolkar, K.R.; Prabhu, R.B. (Proc. DAE Solid State Physics Symposium, B.A.R.C., Bombay, 27-31 Dec 1993. 1993; 116.)

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