Abstract

AbstractThe superhamiltonian formalism is used to construct a totally symmetric superdensity for a system whose ground state corresponds to a multidimensional irreducible representation of the symmetry group of the Hamiltonian. A Hohenberg–Kohn theorem is proven and the Levy constrained‐search procedure is adapted. An appropriate generalization allows the application of this procedure to degenerate excited states. © 2001 John Wiley & Sons, Inc. Int J Quantum Chem, 2001

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