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Ab Initio Calculations of Response Properties Including the Electron-Hole Interaction

Published online by Cambridge University Press:  15 February 2011

Valerio Olevano ,
Stefan Albrecht  and
Lucia Reining
Valerio Olevano
Affiliation:
Laboratoire des Solides Irradiés, UMR 7642 CNRS - CEA, École Polytechnique, F-91128 Palaiseau, France Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica dell'Università di Roma “Tor Vergata”, Via della Ricerca Scientifica, 1-00133 Roma, Italy
Stefan Albrecht
Affiliation:
Laboratoire des Solides Irradiés, UMR 7642 CNRS - CEA, École Polytechnique, F-91128 Palaiseau, France
Lucia Reining
Affiliation:
Laboratoire des Solides Irradiés, UMR 7642 CNRS - CEA, École Polytechnique, F-91128 Palaiseau, France
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Abstract

We discuss the current status of a computational approach which allows to evaluate the dielectric matrix, and hence electronic excitations like optical properties, including local field and excitonic effects. We introduce a recent numerical development which greatly reduces the use of memory in such type of calculations, and hence eliminates one of the bottlenecks for the application to complex systems. We present recent applications of the method, focusing our interest on insulating oxides.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 579: Symposium B – The Optical Properties of Materials , 1999 , 9
Copyright
Copyright © Materials Research Society 2000

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References

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