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Electronic structure and magnetic properties of YbCuAl

机译:YbCuAl的电子结构和磁性

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The electronic band structure of YbCuAl has been calculated using the self-consistent full potential nonorthogonal local orbital minimum basis scheme based on the density functional theory. We investigated the electronic structure with the spin-orbit interaction and on-site Coulomb potential for the Yb-derived 4f orbitals to obtain the correct ground state of YbCuAl. The exchange interaction between local f electrons and conduction electrons play an important role in the heavy fermion characters of them. The fully relativistic band structure scheme shows that spin-orbit coupling splits the 4f states into two manifolds, the 4f(7/2) and the 4f(5/2) multiplet. (c) 2006 Elsevier B.V. All rights reserved.
机译:YbCuAl的电子能带结构是基于密度泛函理论,使用自洽全势非正交局部正交最小基方案计算得到的。我们研究了Yb衍生的4f轨道的具有自旋轨道相互作用和现场库仑势的电子结构,以获得YbCuAl的正确基态。局部f电子与传导电子之间的交换相互作用在它们的重费米子特性中起着重要作用。完全相对论带结构方案表明,自旋轨道耦合将4f态分为两个流形,即4f(7/2)和4f(5/2)多重态。 (c)2006 Elsevier B.V.保留所有权利。

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