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164. Chatterjee K, Pernal K (2012) Excitation energies from extended random phase approximation employed with approximate one- and two-electron reduced density matrices. J Chem
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165. Pernal K, Chatterjee K, Kowalski PH (2014) How accurate is the strongly orthogonal geminal
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1.4855275
166. Rowe DJ (1968) Equations-of-motion method and the extended shell model. Rev Mod Phys
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168. Lathiotakis NN, Gidopoulos NI, Helbig N (2010) Size consistency of explicit functionals of
the natural orbitals in reduced density matrix functional theory. J Chem Phys 132(8):084105.
doi:10.1063/1.3324699
Reduced Density Matrix Functional Theory (RDMFT) and Linear Response Time. . .
183
quantum mechanics. In: Group theoretical methods in physics. Lecture notes in physics,
vol 135. Springer, Berlin, pp 112–121
153. Vignale G (2008) Real-time resolution of the causality paradox of time-dependent densityfunctional theory. Phys Rev A 77:062511. doi:10.1103/PhysRevA.77.062511
154. Gross EKU, Dobson JF, Petersilka M (1996) Density functional theory of time-dependent
phenomena. In: Nalewajsk RF (ed) Density functional theory II, vol 181, Topics in current
chemistry. Springer, Berlin, pp 81–172. doi:10.1007/BFb0016643
155. Rapp J, Brics M, Bauer D (2014) Equations of motion for natural orbitals of strongly driven
two-electron systems. Phys Rev A 90(1):012518. doi:10.1103/PhysRevA.90.012518
156. Giesbertz KJH, Gritsenko OV, Baerends EJ (2012) Response calculations based on an
independent particle system with the exact one-particle density matrix: excitation energies.
J Chem Phys 136:094104. doi:10.1063/1.3687344
157. van Meer R, Gritsenko OV, Giesbertz KJH, Baerends EJ (2013) Oscillator strengths of
electronic excitations with response theory using phase including natural orbital functionals.
J Chem Phys 138(9):094114. doi:10.1063/1.4793740
158. Brics M, Bauer D (2013) Time-dependent renormalized natural orbital theory applied to the
two-electron spin-singlet case: ground state, linear response, and autoionization. Phys Rev A
88(5):052514. doi:10.1103/PhysRevA.88.052514
159. de Morisson Faria CF, Liu X (2011) Electron–electron correlation in strong laser fields. J Opt
Phys 58(13):1076. doi:10.1080/09500340.2010.543958
160. Becker W, Liu X, Ho PJ, Eberly JH (2012) Theories of photoelectron correlation in laserdriven multiple atomic ionization. Rev Mod Phys 84(3):1011. doi:10.1103/RevModPhys.84.
1011
161. Lappas DG, van Leeuwen R (1998) Electron correlation effects in the double ionization of
He. J Phys B 31(6):L249. doi:10.1088/0953-4075/31/6/001
162. Brics M, Rapp J, Bauer D (2014) Nonsequential double ionization with time-dependent
renormalized-natural-orbital theory. Phys Rev A 90(5):053418. doi:10.1103/PhysRevA.90.
053418
163. van Meer R, Gritsenko OV, Baerends EJ (2014) Excitation energies with linear response
density matrix functional theory along the dissociation coordinate of an electron-pair bond in
N-electron systems. J Chem Phys 140(2):024101. doi:10.1063/1.4852195
164. Chatterjee K, Pernal K (2012) Excitation energies from extended random phase approximation employed with approximate one- and two-electron reduced density matrices. J Chem
Phys 137(20):204109. doi:10.1063/1.4766934
165. Pernal K, Chatterjee K, Kowalski PH (2014) How accurate is the strongly orthogonal geminal
theory in predicting excitation energies? Comparison of the extended random phase approximation and the linear response theory approaches. J Chem Phys 140(1):014101. doi:10.1063/
1.4855275
166. Rowe DJ (1968) Equations-of-motion method and the extended shell model. Rev Mod Phys
40(1):153–166. doi:10.1103/RevModPhys.40.153
167. Lathiotakis NN, Helbig N, Gross EKU (2005) Open shells in reduced-density-matrix-functional theory. Phys Rev A 72(3):030501. doi:10.1103/PhysRevA.72.030501
168. Lathiotakis NN, Gidopoulos NI, Helbig N (2010) Size consistency of explicit functionals of
the natural orbitals in reduced density matrix functional theory. J Chem Phys 132(8):084105.
doi:10.1063/1.3324699
Reduced Density Matrix Functional Theory (RDMFT) and Linear Response Time. . .
183