L. Kleinman and D. M. Bylander, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.48.1425 48, 1425 (1982).
X. Gonze, Z. Kristallogr. ZEKRDZ 0044-2968 10.1524/zkri.220.5.558.65066 220, 558 (2005).
N. Richard, S. Bernard, F. Jollet, and M. Torrent, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.66.235112 66, 235112 (2002).
D. M. Fritz, Science SCIEAS 0036-8075 10.1126/science.1135009 315, 633 (2007).
E. D. Murray, S. Fahy, D. Prendergast, T. Ogitsu, D. M. Fritz, and D. A. Reis, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.75.184301 75, 184301 (2007).
L. E. Diaz-Sanchez, A. H. Romero, and X. Gonze, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.76.104302 76, 104302 (2007).
L. E. Diaz-Sanchez, A. H. Romero, M. Cardona, R. K. Kremer, and X. Gonze, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.99.165504 99, 165504 (2007).
J. Bouchet, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.77.024113 77, 024113 (2008).
D. Vanderbilt, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.41.7892 41, 7892 (1990).
A. Dal Corso and A. Mosca Conte, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.71.115106 71, 115106 (2005).
A. Dal Corso, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.76.054308 76, 054308 (2007).
N. Troullier and J. L. Martins, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.43.1993 43, 1993 (1991).
P. Hohenberg and W. Kohn, Phys. Rev. PRVAAH 0096-8250 10.1103/PhysRev.136.B864 136, B864 (1964).
W. Kohn and L. J. Sham, Phys. Rev. PRVAAH 0096-8250 10.1103/PhysRev.140. A1133 140, A1133 (1965).