库仑增强的自旋轨道分裂:Sr2RhO4之谜中缺失的部分
Coulomb-Enhanced Spin-Orbit Splitting: The Missing Piece in the Sr2RhO4 Puzzle
摘要:
测量和计算(局域密度近似)费米表面的特点,顺磁性费米液体Sr 2 RhO 4之间的突出差异解决包括自旋轨道耦合和库仑排斥。这导致有效自旋-轨道耦合常数比裸值提高2.15倍。一个简单的形式主义允许讨论其他系统。对于Sr 2 RhO 4,实验发现比热和质量增加为2.2。
英文摘要:
The outstanding discrepancy between the measured and calculated (local-density approximation) Fermi surfaces in the well-characterized, paramagnetic Fermi liquid Sr2RhO4 is resolved by including the spin-orbit coupling and Coulomb repulsion. This results in an effective spin-orbit coupling constant enhanced 2.15 times over the bare value. A simple formalism allows discussion of other systems. For Sr2RhO4, the experimental specific-heat and mass enhancements are found to be 2.2.
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