Memory: History , Initial-State Dependence , and Double-Excitations

  • Neepa T. Maitra
Part of the Lecture Notes in Physics book series (LNP, volume 837)


In ground-state DFT, the fact that the xc potential is a functional of the density is a direct consequence of the one-to-one mapping between ground-state densities and potentials. In TDDFT, the one-to-one mapping is between densities and potentials for a given initial state. This means that the potentials, most generally, are functionals of the initial state of the system, as well as of the density; and, not just of the instantaneous density, but of its entire history.


Adiabatic Approximation Single Excitation Linear Response Regime Instantaneous Density Floquet State 
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Copyright information

© Springer-Verlag Berlin Heidelberg  2012

Authors and Affiliations

  • Neepa T. Maitra
    • 1
  1. 1.Hunter College and the Graduate CenterCity University of New YorkNew York,USA

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