Hi Everyone,
This week, David will be giving us group meeting. Please see below for the
title and abstract of his talk.
Stay warm and dry out there.
Jennifer
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Title: "The fundamental theorems of DFT and TDDFT".
Abstract: Density Functional Theory and its time-dependent extension TDDFT
are widely used methods in chemistry and many-body physics. Both DFT and
TDDFT are "formally exact" theories, which means that there exist theorems
which guarantee the existence and uniqueness of the density functionals
that are approximated in actual calculations.
In this talk, I will first review the existence and uniqueness theorems of
DFT and TDDFT for electrons and nuclei, i.e. atoms, molecules and solids.
Then i'll discuss how these theorems can be extended to other systems,
including qubits in quantum computation.
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