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首页> 外文期刊>Physical review. B, Condensed Matter And Materials Physics >Thermodynamic approach to obtaining a highly spin-polarized strongly correlated Fermi liquid in solid-state systems
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Thermodynamic approach to obtaining a highly spin-polarized strongly correlated Fermi liquid in solid-state systems

机译:在固态系统中获得高度自旋极化的强相关费米液体的热力学方法

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摘要

We present a thermodynamic approach to obtain a highly polarized heavy Fermi liquid in solid-state systems. It is similar to that proposed by Castaing and Nozieres [J. Phys. (Paris) 40, 257 (1979)] for polarizing liquid ~3He. The mechanism applies to a class of materials where local moments coexist with a Fermi liquid at a first-order transition. Fast melting of the magnetic field aligned local moment phase, due to a change of pressure or magnetic field, yields a highly polarized Fermi liquid state. This fast melting implies that the relaxation time of the spin polarization is long compared to the melting time of the local moment phase. We discuss the conditions for attaining it in the materials considered.
机译:我们提出一种在固态系统中获得高极化重费米液体的热力学方法。它与Castaing和Nozieres所提出的相似[J.物理(巴黎)40,257(1979)]极化液体〜3He。该机制适用于一阶跃迁中局部力矩与费米液体共存的一类材料。由于压力或磁场的变化,与磁场对准的局部矩相位快速熔化,产生了高度极化的费米液态。这种快速熔化意味着自旋极化的弛豫时间比局部矩相位的熔化时间长。我们在所考虑的材料中讨论了达到此条件的条件。

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