期刊
PHYSICA B-CONDENSED MATTER
卷 359, 期 -, 页码 783-785出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2005.01.226
关键词
correlations; Gutzwiller; plutonium
Using a density matrix approach to Gutzwiller method, we present a formalism to treat ab initio multiband tight-binding Hamiltonians including local Coulomb interaction in a solid, like, e.g., the degenerate Hubbard model. After minimization with respect to the variational parameters, the approximate ground state is obtained, providing the equilibrium properties of a material. Finally, the method is coupled to the so-called linearized muffin-tin orbitals technique. The first application to Pu is presented. (c) 2005 Elsevier B.V. All rights reserved.
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