Ground State Theory of delta-Pu

Details Ground State Theory of delta-Pu Ground State Theory of delta-Pu

1999-08-27

arxiv.org/abs/cond-mat/9908401v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 postscript figure, 1 jpg figure (viewable via Netscape, IE)

Scientific paper

10.1103/PhysRevLett.84.3670

Correlation effects are important for making predictions in the delta phase of Pu. Using a realistic treatment of the intra-atomic Coulomb correlations we address the long-standing problem of computing ground state properties. The equilibrium volume is obtained in good agreement with experiment when taking into account Hubbard U of the order 4 eV. For this U, the calculation predicts a 5f5 atomic-like configuration with L=5, S=5/2, and J=5/2 and shows a nearly complete compensation between spin and orbital magnetic moments.

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