Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 12, Issue 8, Pages 1723-1733Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/12/8/315
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Equilibrium properties for the delta-phase of Pu have been calculated. Taking into account strong electron correlations in the 5f shell, we show how the equilibrium volume and the bulk modulus are improved in comparison to previous results using the local density approximation (LDA) or the generalized gradient approximation (GGA). In addition, an augmentation of the orbital moment is observed following Hund's rules, reducing the total magnetic moment. The stability of the delta-phase is explored and for the first time a positive value for the tetragonal shear constant is found.
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