铁基超导体$LaO_{1-x}F_xFeAs$费米面的高分辨康普顿散射探测
High resolution Compton scattering as a Probe of the Fermi surface in the Iron-based superconductor $LaO_{1-x}F_xFeAs$
摘要：
在局域密度近似下，我们对铁基超导体LaOFeAs的（001）面二维电子动量密度和[100]、[001]和[110]方向的方向康普顿分布进行了第一性原理全电子计算.我们确定费米表面功能的2D电子动量密度和方向性康普顿轮廓，并讨论了通过康普顿散射实验观察这些功能的相关问题。
英文摘要：
We have carried out first principles all-electron calculations of the (001)-projected 2D electron momentum density and the directional Compton profiles along the [100], [001] and [110] directions in the Fe-based superconductor LaOFeAs within the framework of the local density approximation. We identify Fermi surface features in the 2D electron momentum density and the directional Compton profiles, and discuss issues related to the observation of these features via Compton scattering experiments.
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