Localized Orbital Description of Electronic Structure

Details Localized Orbital Description of Electronic Structure Localized Orbital Description of Electronic Structure

2005-09-22

arxiv.org/abs/cond-mat/0509571v1

Physics

Condensed Matter

Materials Science

4 pages 4 figures

Scientific paper

We present a simple and general method for construction of localized orbitals to describe electronic structure of extended periodic metals and insulators as well as confined systems. Spatial decay of these orbitals is found to exhibit exponential behavior for insulators and power law for metals. While these orbitals provide a clear description of bonding, they can be also used to determine polarization of insulators. Within density functional theory, we illustrate applications of this method to crystalline Aluminium, Copper, Silicon, PbTiO$_3$ and molecules such as ethane and diborane.

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