Abstract
We give an overview of the underlying concepts of time-dependent density-functional theory. The basic relations between densities, potentials and initial states, for time-dependent many-body systems are discussed. We obtain some new results concerning the invertability of response functions. Some fundamental difficulties associated with the time-dependent action principle are discussed and we show how these difficulties can be resolved by means of the Keldysh formalism.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 27, 2002, 6:59 a.m.) |
Deposited | 6 years ago (Aug. 7, 2019, 11:38 a.m.) |
Indexed | 4 days, 20 hours ago (Aug. 23, 2025, 12:59 a.m.) |
Issued | 24 years, 2 months ago (June 10, 2001) |
Published | 24 years, 2 months ago (June 10, 2001) |
Published Online | 13 years, 7 months ago (Jan. 25, 2012) |
Published Print | 24 years, 2 months ago (June 10, 2001) |
@article{VAN_LEEUWEN_2001, title={KEY CONCEPTS IN TIME-DEPENDENT DENSITY-FUNCTIONAL THEORY}, volume={15}, ISSN={1793-6578}, url={http://dx.doi.org/10.1142/s021797920100499x}, DOI={10.1142/s021797920100499x}, number={14}, journal={International Journal of Modern Physics B}, publisher={World Scientific Pub Co Pte Lt}, author={VAN LEEUWEN, ROBERT}, year={2001}, month=jun, pages={1969–2023} }