1. R.G. Parr and W. Yang, Density-Functional Theory of Atoms and Molecules (Oxford University Press, New York, 1989).
2. R. M. Dreizler and E. K. U. Gross, Density Functional Theory: An Approach to the Quantum Many-Body Problem (Springer-Verlag, Berlin, 1990).
3. The Free Software project for Atomic-scale Simulation aims at spreading the use of free software in atomic-scale simulations (URL
http://www.fsatom.org
).
4. The ABINIT code is a common project of the Université Catholique de Louvain, Corning Incorporated, the Université de Liège, the Commissariat à l’Energie Atomique, and other contributors (URL
http://www.abinit.org/
).
5. D. M. Ceperley and B. J. Alder, Phys. Rev. Lett. 45, 566 (1980).