Books. Publishing Support. Login. Login. Forgotten password? Create account. Benefits of a My IOPscience account. Login via Athens/your Institution. Primary search Search. Article Lookup. Find article List of journal titles: Cited by: 7. Pages in category "Physics stubs" The following pages are in this category, out of approximately total. This list may not reflect recent changes (learn more). atoms by a vacancy, employing the coherent potential approximation. In addition the band structure of Li 3N, with and without vacancies, and the ordering of the magnetic moments is discussed. Section IV provides a discussion, and Section V gives a conclusion. II. . Abstract. This book presents the recent theoretical and experimental developments of neutron scattering by ferroelectrics. A model description of lattice dynamics of structurally unstable crystals (self consistent phonon approximation, pseudo-spin formalism, coherent potential approximation etc.) is formulated.

The basic theoretical aspects of the band anticrossing effects in highly electronegativity-mismatched semiconductor alloys are reviewed. The many-impurity Anderson model treated in the coherent potential approximation is applied to the semiconductor alloys, in which metallic anion atoms are. Abstract. Transport, as well as scattering, mean free paths are calculated within the weak-scattering approximation and within a recently developed extension of the well-known coherent-potential approximation for a random arrangement of dielectric sciroccowinds.com by: The index of physics articles is split into multiple pages due to its size.. To navigate by individual letter use the table of contents below. Jan 29, · We generalize the typical medium dynamical cluster approximation (TMDCA) for systems with off-diagonal disorder. By applying our approach to the Anderson model we consider the effects of nonlocal correlations and typical environment beyond the local Blackman, Esterling, and Berk (BEB) method. %coherent potential approximation.

@article{osti_, title = {Self-consistent approximation beyond the CPA: Part II}, author = {Kaplan, T. and Gray, L.J.}, abstractNote = {In Part I, Professor Leath has described the substantial efforts to generalize the CPA. In this second part, a particular self-consistent approximation for random alloys developed by Kaplan, Leath, Gray, and Diehl is described. Get this from a library! Models of itinerant ordering in crystals: an introduction. [Jerzy Mizia; Grzegorz Górski] -- This book is devoted to the mathematical description of interesting phenomena which occur in solids, such as ferromagnetism, antiferromagnetism and superconductivity. Superconductivity and its. Alloys, Disordered Systems Introduction Order-Disorder Transformation and Bragg --Williams Approximation Bragg-Williams approximation Relation with the Band Model Transition Metal Alloys Different Types of Disorder in Bragg-Williams Approximation --References LDA+DMFT is a novel computational technique for ab initio investigations of real materials with strongly correlated electrons, such as transition metals and their oxides. It combines the strength of conventional band structure theory in the local density approximation (LDA) with a modern many-body approach, the dynamical mean-field theory (DMFT).