论文标题
衡量Stoner模型：工程学非常规金属铁磁和人造轨迹场
Gauging away the Stoner model: Engineering unconventional metallic ferromagnetism with artificial gauge fields
论文作者
论文摘要
近一个世纪以来，斯托纳模型一直在巡回铁磁学方面的研究主导，但最近在超速捕获，光学捕获的费米气体上的工作表明，旋转的相位分离是独立于远程磁性的。在本文中，我们考虑了具有弱非零轨迹场的Landau-Fermi液体中的Stoner标准的分解。由于类似于Kohn的金属 - 绝缘体过渡理论的过程，我们发现在没有非Quasiparticle贡献响应的情况下，Fermi液相的稳定性在很大程度上取决于混合部分波的Landau参数。我们的作品为描述新颖的Spintronic硬件用Landau-Fermi液体运输的语言铺平了道路。
For nearly a century, the Stoner model has dominated research in itinerant ferromagnetism, yet recent work on ultracold, optically trapped Fermi gases suggests that phase separation of spins occurs independent of long-range magnetic order. In this paper, we consider the breakdown of the Stoner criterion in a Landau-Fermi liquid with weak non-zero gauge field. Due to a process analogous to Kohn's theory of a metal-insulator transition, we find the stability of a Fermi liquid phase in the absence of non-quasiparticle contributions to the response is strongly dependent on Landau parameters of mixed partial waves. Our work paves the way for the description of novel spintronic hardware in the language of Landau-Fermi liquid transport.
