A. Svane, R. C. Albers, N. E. Christensen, M. van Schilfgaarde, A. N. Chantis, Jian-Xin Zhu
A new electronic quantity, the correlation strength, is defined as a necessary step for understanding the properties and trends in strongly correlated electronic materials. As a test case, this is applied to the different phases of elemental Pu. Within the GW approximation we have surprisingly found a "universal" scaling relationship, where the f-electron bandwidth reduction due to correlation effects is shown to depend only upon the local density approximation (LDA) bandwidth and is otherwise independent of crystal structure and lattice constant.
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http://arxiv.org/abs/1201.2139
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