%0 Journal Article %1 Ullrich2009 %A Ullrich, C. A. %D 2009 %J JOURNAL OF CHEMICAL THEORY AND COMPUTATION %K imported %N 4 %P 859-865 %R 10.1021/ct800507m %T Excitation Energies in Time-Dependent (Current-) Density-Functional Theory: A Simple Perspective %V 5 %X This paper gives a simple and pedagogical explanation, using density matrices of two-level systems, how to calculate excitation energies with time-dependent density-functional theory. The well-known single-pole approximation for excitation energies is derived here in an alternative way and extended to time-dependent current-density-functional theory.

@article{Ullrich2009, abstract = {This paper gives a simple and pedagogical explanation, using density matrices of two-level systems, how to calculate excitation energies with time-dependent density-functional theory. The well-known single-pole approximation for excitation energies is derived here in an alternative way and extended to time-dependent current-density-functional theory.}, added-at = {2010-01-22T12:15:18.000+0100}, author = {Ullrich, C. A.}, biburl = {https://www.bibsonomy.org/bibtex/2c7858036d1fcce9f43ddcc200def5bfe/myrta}, description = {Time dependent density functional theory; Memory effects kernel; breakdown adiabatic approximation}, doi = {10.1021/ct800507m}, file = {:home/cfc/myrta/VirtualLibrary/MemoryKernel/JCTC2009_5_859–865.pdf:PDF}, interhash = {8b0b38103a91632102a8764c43611c5b}, intrahash = {c7858036d1fcce9f43ddcc200def5bfe}, issn = {1549-9618}, journal = {JOURNAL OF CHEMICAL THEORY AND COMPUTATION}, keywords = {imported}, keywords-plus = {SPIN COULOMB DRAG; LINEAR-RESPONSE; QUANTUM-WELLS; ELECTRON-GAS; APPROXIMATION; SPECTRA; SYSTEMS; TRANSPORT; MOLECULES; CLUSTERS}, month = APR, number = 4, owner = {myrta}, pages = {859-865}, times-cited = {1}, timestamp = {2010-01-22T12:15:23.000+0100}, title = {Excitation Energies in Time-Dependent (Current-) Density-Functional Theory: A Simple Perspective}, unique-id = {ISI:000265268800023}, volume = 5, year = 2009 }