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# Category:Dielectric Properties

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## Theory

- Static dielectric matrix, ion-clamped piezoelectric tensor and the Born effective charges using density functional perturbation theory: LEPSILON.
- Frequency dependent dielectric properties: LOPTICS.
- Berry phases and finite electric fields: Berry phases and finite electric fields.
- Calculation of X-ray abpsorption spectra (XAS): XAS theory.

## How to

- Static dielectric matrix, ion-clamped piezoelectric tensor and the Born effective charges using density functional perturbation theory: LEPSILON.
- Frequency dependent dielectric properties: LOPTICS.
- Berry phases and finite electric fields: LBERRY, LCALCEPS.
- XAS (XANES) spectra from the super-cell core-hole method: SCH calculations.

## Subcategories

This category has the following 4 subcategories, out of 4 total.

## Pages in category "Dielectric Properties"

The following 26 pages are in this category, out of 26 total.