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The GW method

Many body -> The GW methodSearch on Amazon


Quasiparticle calculations in solids
Author: Aulbur WG, Jonsson L, Wilkins JW  Language:
Contents: Many Body Effects in computational solid state physics; Quasi particle calculation in the GW approximation; The GW calculation, numerical consideration; Semiconductors and insulators; Metals . . . . .
Towards Ab-initio Calculation of Electron Energies in Semiconductor
Author: B. Farid  Language:
Contents: introduction; Green-function approach to many-electron systems; properties of self-energy function in GW scheme; towards actual calculation of GW self-energy in the quasi-particle approximat . . . . .
The GW method
Author: F. Aryasetiawan and O. Gunnarsson  Language:
Calculations of ground-state and excited-state properties of materials have been one of the major goals of condensed matter physics. Ground-state properties of solids have been extensively investigate . . . . .
A mathematical analysis of the GW0 method for computing electronic excited state energies of molecules
Author: Eric Cancès, David Gontier, Gabriel Stoltz  Language:
This paper analyses the GW method for finite electronic systems. In a first step, we provide a mathematical framework for the usual one-body operators that appear naturally in many-body perturbation . . . . .
Correlation effects in solids from first principles
Author: Aryasetiawan, Ferdi  Language:
First principles calculations of bandstructures of crystals are usually based on one-particle theories where the electrons are assumed to move in some effective potential. The most commonly used metho . . . . .
Quasiparticle Self-Consistent GW Method for the Spectral Properties of Complex Materials
Author: Fabien Bruneval and Matteo Gatti  Language:
The GWapproximation to the formally exact many-body perturbation theory has been applied successfully to materials for several decades. Since the practical calculations are extremely cumbersome, the . . . . .
Random-phase approximation and its applications in computational chemistry and materials science
Author: Xinguo Ren, Patrick Rinke, Christian Joas, Matthias Scheffler  Language:
The random-phase approximation (RPA) as an approach for computing the electronic correlation energy is reviewed. After a brief account of its basic concept and historical development, the paper is dev . . . . .
Many-Body Perturbation Theory: The GW Approximation
Author: Christoph Friedrich and Arno Schindlmayr  Language:
In this lecture we present many-body perturbation theory as a method to determine quasiparticle excitations in solids, especially electronic band structures, accurately from first principles. The main . . . . .
Hedin Equations, GW, GW DMFT, and All That
Author: K. Held, C. Taranto, G. Rohringer, A. Toschi  Language:
Historically, the GW approach was put forward by Hedin as the simplest approximation to the so-called Hedin equations. In Section 2, we will derive these Hedin equations from a Feynman-diagrammatical . . . . .

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