Schmidt, Falko, et al. “Quasiparticle and Excitonic Effects in the Optical Response of KNbO3.”10.1103/PhysRevMaterials.3.054401__Physical Review Materials, vol. 3, no. 5, 054401, American Physical Society, 2019, doi:10.1103/PhysRevMaterials.3.054401.

Neufeld, Sergej, et al. “Potassium Titanyl Phosphate (KTP) Quasiparticle Energies and Optical Response.”10.1088/2515-7639/ab29ba__Journal of Physics: Materials, vol. 2, IOP Publishing, 2019, p. 045003, doi:10.1088/2515-7639/ab29ba.

Schindlmayr, Arno. “Exact Formulation of the Transverse Dynamic Spin Susceptibility as an Initial-Value Problem.”10.1155/2018/3732892__Advances in Mathematical Physics, vol. 2018, 3732892, Hindawi, 2018, doi:10.1155/2018/3732892.

Friedrich, Michael, et al. “Erratum: Optical Properties of Titanium-Doped Lithium Niobate from Time-Dependent Density-Functional Theory [Phys. Rev. Materials 1, 034401 (2017)].”10.1103/PhysRevMaterials.2.019902__Physical Review Materials, vol. 2, no. 1, 019902, American Physical Society, 2018, doi:10.1103/PhysRevMaterials.2.019902.

Riefer, Arthur, et al. “Zn–VI Quasiparticle Gaps and Optical Spectra from Many-Body Calculations.”10.1088/1361-648x/aa6b2a__Journal of Physics: Condensed Matter, vol. 29, no. 21, 215702, IOP Publishing, 2017, doi:10.1088/1361-648x/aa6b2a.

Friedrich, Michael, et al. “Polaron Optical Absorption in Congruent Lithium Niobate from Time-Dependent Density-Functional Theory.”10.1103/PhysRevMaterials.1.054406__Physical Review Materials, vol. 1, no. 5, 054406, American Physical Society, 2017, doi:10.1103/PhysRevMaterials.1.054406.

Friedrich, Michael, et al. “Optical Properties of Titanium-Doped Lithium Niobate from Time-Dependent Density-Functional Theory.”10.1103/PhysRevMaterials.1.034401__Physical Review Materials, vol. 1, no. 3, 034401, American Physical Society, 2017, doi:10.1103/PhysRevMaterials.1.034401.

Schmidt, Falko, et al. “Consistent Atomic Geometries and Electronic Structure of Five Phases of Potassium Niobate from Density-Functional Theory.”10.1155/2017/3981317__Advances in Materials Science and Engineering, vol. 2017, 3981317, Hindawi, 2017, doi:10.1155/2017/3981317.

Riefer, Arthur, et al. “LiNbO3 Electronic Structure: Many-Body Interactions, Spin-Orbit Coupling, and Thermal Effects.”10.1103/PhysRevB.93.075205__Physical Review B, vol. 93, no. 7, 075205, American Physical Society, 2016, doi:10.1103/PhysRevB.93.075205.

Friedrich, Michael, et al. “LiTaO3 Phonon Dispersion and Ferroelectric Transition Calculated from First Principles.”10.1002/pssb.201552576__Physica Status Solidi B, vol. 253, no. 4, Wiley-VCH, 2016, pp. 683–89, doi:10.1002/pssb.201552576.