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Linear response correction to the kinetic energy from Thomas‐Fermi theory. A simple model
Author(s) -
Handler George S.
Publication year - 2009
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560120847
Subject(s) - simple (philosophy) , kinetic energy , statistical physics , thomas–fermi model , energy (signal processing) , fermi gamma ray space telescope , physics , linear response theory , theoretical physics , quantum mechanics , condensed matter physics , electron , epistemology , philosophy
An approximate linear response formalism is developed from Thomas‐Fermi theory for the single‐particle density matrix. It is used to estimate kinetic energy corrections in two simple cases, with good results.