Nuclear-electronic orbital nonorthogonal configuration interaction approach

75. J. H. Skone, M. V. Pak, and S. Hammes-Schiffer, “Nuclear-electronic orbital nonorthogonal configuration interaction approach,” J. Chem. Phys. 123, 134108 (2005).

Investigation of isotope effects with the nuclear-electronic orbital approach

73. A. Reyes, M. V. Pak, and S. Hammes-Schiffer, “Investigation of isotope effects with the nuclear-electronic orbital approach”, J. Chem. Phys. 123, 064104 (2005).

Analysis of the nuclear-electronic orbital method for model hydrogen transfer systems

72. C. Swalina, M. V. Pak, and S. Hammes-Schiffer, “Analysis of the nuclear-electronic orbital method for model hydrogen transfer systems,” J. Chem. Phys. 123, 014303 (2005).

Alternative formulation of many-body perturbation theory for electron-proton correlation

70. C. Swalina, M. V. Pak, and S. Hammes-Schiffer, “Alternative formulation of many-body perturbation theory for electron-proton correlation,” Chem. Phys. Lett. 404, 394-399 (2005).

Application of the nuclear-electronic orbital method to hydrogen transfer systems: Multiple centers and multiconfigurational wavefunctions

66. M. V. Pak, C. Swalina, S. P. Webb, and S. Hammes-Schiffer, “Application of the nuclear-electronic orbital method to hydrogen transfer systems: Multiple centers and multiconfigurational wavefunctions,” Chemical Physics 304, 227-236 (2004).

Electron-proton correlation for hydrogen tunneling systems

62. M. V. Pak and S. Hammes-Schiffer, “Electron-proton correlation for hydrogen tunneling systems,” Phys. Rev. Lett. 92, 103002 (2004).