Welcome to the project of excitons visualization provided by the Theoretical Solid State Physics group of the University of Luxembourg.
An exciton is a bound state of and hole and an electron. We use yambo ypp to generate a representation of electron density when the hole is fixed. This is done for the excitons with the highest intensity. The user can click in the absorption spectra and visualize the electron density that corresponds to that particular state.
The website is still under development but feedback and bug fixes are welcome! You can request features and report bugs here: https://github.com/henriquemiranda/excitonwebsite/issues