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Exact Density Functionals for Ground‐State Energies II. Details and Remarks
Author(s) -
Englisch H.,
Englisch R.
Publication year - 1984
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221240140
Subject(s) - differentiable function , ground state , pure mathematics , mathematics , state (computer science) , density functional theory , statistical physics , physics , quantum mechanics , algorithm
Statements utilized or mentioned in the Part I are proved or discussed in detail. Especially it is shown that for finite‐dimensional state spaces the strictly positive densities being strictly less than two are E‐ V representable and that the density functional by Lieb is differentiable at the E‐ V densities.
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