Abstract
Exact Conditions in Finite-Temperature Density-Functional Theory
Stefano Pittalis
CNR-NANO (National Research Council, Institute of Nanoscience)
Finite-Temperature Density-Functional Theory provides, in principle, an exact description of the thermodynamical equilibrium of many-electron systems. In practical applications, however, the functionals must be approximated. Exact conditions that have proven crucial in constraining and constructing accurate approximations for ground-state DFT are generalized to finite temperature. We discuss consequences for functional construction.
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