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The microscopic description of a macroscopic experiment

Authors: S. Botti, and M. Gatti

Ref.: in "Fundamentals of Time-Dependent Functional Theory", edited by M.A.L. Marques, N. Maitra, F.M.S. Nogueira, E.K.U. Gross, and A. Rubio, chapter 3 (Springer-Verlag, Berlin Heidelberg), 29-50 (2012)

Abstract: We will focus on two specific aspects. First, one should keep in mind that while experiments usually measure macroscopic properties, ab initio calculations yield microscopic functions that need to be processed to obtain quantitative information comparable with measured spectra. In order to bridge the gap between the microscopic and the macroscopic worlds, one needs appropriate physical models that relate microscopic and macroscopic response functions. Second, depending on the details of the physical problem under study, one has to choose which theoretical approach and which level of approximation is more suitable for calculating the microscopic response functions. Moreover, one has to be aware of the fact that the accuracy and efficiency of calculations vary necessarily with the theoretical framework employed.

Citations: 0 (Google scholar)

DOI: 10.1007/978-3-642-23518-4_3

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Bibtex:

@incollection{Botti_2012,
	doi = {10.1007/978-3-642-23518-4_3},
	url = {https://doi.org/10.1007%2F978-3-642-23518-4_3},
	year = 2012,
	publisher = {Springer Berlin Heidelberg},
	pages = {29--50},
	author = {Silvana Botti and Matteo Gatti},
	title = {The Microscopic Description of a Macroscopic Experiment},
	booktitle = {Fundamentals of Time-Dependent Density Functional Theory}
}