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The EXC code is supported by the Ecole Polytechnique, which hosts this website, the CNRS, and the European Theoretical Spectroscopy Facility (ETSF). These three tutelles also support the main group associated to the EXC code, which is the Theoretical Spectroscopy Group at the LSI in Palaiseau.

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Version 3.2 available

The new version of EXC is available. In particular the finite momentum transfer has been implemented.

New Release: v3.1

A new version of the code has been released: v3.1. Few changes and some bug corrections for this intermediate release.

New Release v3.0

A new version of the code has been released: v3.0.

Theoretical Spectroscopy Lectures

Electronic excitations are probed by experimental techniques such as optical absorption, EELS and photo-emission (direct or inverse).

Cecam School on Theoretical Spectroscopy

Theoretical Spectroscopy Lectures: Theory and Codes