J.H. Burnett, Z.H. Levine, and E.L. Shirley, Phys. Rev. B 64, 241102 (2001).
D.M. Boye, R.M. Macfarlane, Y. Sun, and R.S. Meltzer, Phys. Rev. B 54, 6263 (1996).
M.M. Elcombe and A.W. Pryor, J. Phys. C 3, 492 (1970).
A.K. McCurdy, Phys. Rev. B 26, 6971 (1982).
A. Feldman and R.M. Waxler, Phys. Rev. Lett. 45, 126 (1980).
J.P. Albert, C. Jouanin, and C. Gout, Phys. Rev. B 16, 4619 (1977).
R.A. Heaton and C.C. Lin, Phys. Rev. B 22, 3629 (1980).
L.X. Benedict and E.L. Shirley, Phys. Rev. B 59, 5441 (1999).
N.H. de Leeuw, J.A. Purton, S.C. Parker, G.W. Watson, and G. Kresse, Surf. Sci. 452, 9 (2000).
M. Mérawa, M. Llunell, R. Orlando, M. Gelize-Duvignau, and R. Dovesi, Chem. Phys. Lett. 368, 7 (2003).
K. Schmalzl (unpublished).
P. Hohenberg and W. Kohn, Phys. Rev. 136, 864 (1964).
W. Kohn and L.J. Sham, Phys. Rev. 140, A1133 (1965).
X. Gonze, J.-M. Beuken, R. Caracas, F. Detraux, M. Fuchs, G.-M. Rignanese, L. Sindic, M. Verstraete, G. Zerah, F. Jollet, M. Torrent, A. Roy, M. Mikami, Ph. Ghosez, J.-Y. Raty, and D.C. Allan, Comput. Mater. Sci. 25, 478 (2002). Note: ABINIT is a common project of the Université Catholique de Louvain, Coming Incorporated, and other contributors (http://www.pcpm.ucl.ac.be/ABINIT).