OpenMX is distributed under the terms of the GNU General Public License (GPL) [63]. However, it would be appreciated for you to cite the following papers when you publish a paper using the corresponding functionality in OpenMX, which would be an implicit cooperation for the future development of OpenMX.

- General
T. Ozaki, Phys. Rev. B.

**67**, 155108, (2003); T. Ozaki and H. Kino, Phys. Rev. B**69**, 195113 (2004); T. Ozaki and H. Kino, Phys. Rev. B**72**, 045121 (2005); K. Lejaeghere et al., Science 351, aad3000 (2016). - Large-scale parallel calculation
T.V.T. Duy and T. Ozaki, Comput. Phys. Commun. 185, 777 (2014); T.V.T. Duy and T. Ozaki, Comput. Phys. Commun. 185, 153 (2014).

- O(N) Krylov subspace method
T. Ozaki, Phys. Rev. B

**74**, 245101 (2006). - Numerically exact low-order scaling method
T. Ozaki, Phys. Rev. B

**82**, 075131 (2010). - The plus U method
M.J. Han, T. Ozaki, and J. Yu, Phys. Rev. B

**74**, 045110 (2006). - Exchange coupling parameter
M.J. Han, T. Ozaki, and J. Yu, Phys. Rev. B

**70**, 184421 (2004). - NEGF method
T. Ozaki, K. Nishio, and H. Kino, Phys. Rev.

**81**, 035116 (2010); T. Ozaki, Phys. Rev. B**75**, 035123 (2007). - Effective screening medium method
T. Ohwaki, M. Otani, T. Ikeshoji, and T. Ozaki, J. Chem. Phys. 136, 134101 (2012).

- Generatin of Wannier functions
H. Weng, T. Ozaki, and K. Terakura, Phys. Rev. B

**79**, 235118 (2009). - Generation of natural atomic orbitals
T. Ohwaki, M. Otani, and T. Ozaki, J. Chem. Phys. 140, 244105 (2014).

- Band unfolding method
C.-C. Lee, Y. Yamada-Takamura, and T. Ozaki, J. Phys.: Condens. Matter

**25**, 345501 (2013).

2016-04-03