Nonabelian density functional theory

Details Nonabelian density functional theory Nonabelian density functional theory

1999-09-29

arxiv.org/abs/nucl-th/9909070v1

J.Phys.A31:8933,1998

Physics

Nuclear Physics

Nuclear Theory

1 .eps figure

Scientific paper

10.1088/0305-4470/31/44/017

Given a vector space of microscopic quantum observables, density functional theory is formulated on its dual space. A generalized Hohenberg-Kohn theorem and the existence of the universal energy functional in the dual space are proven. In this context ordinary density functional theory corresponds to the space of one-body multiplication operators. When the operators close under commutation to form a Lie algebra, the energy functional defines a Hamiltonian dynamical system on the coadjoint orbits in the algebra's dual space. The enhanced density functional theory provides a new method for deriving the group theoretic Hamiltonian on the coadjoint orbits from the exact microscopic Hamiltonian.

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