论文标题
超氟$^3 $ HE He in Planar气凝胶
Superfluid $^3$He in Planar Aerogel
论文作者
论文摘要
我们报告了他限制在高孔隙率各向异性纳米结构中的液体$^3 $实验的结果，我们称之为平面气凝胶。该气瓶由纳米纤维（带直径$ \ sim10 $ nm）组成，它们在正常的平面中随机定向。我们使用了使用不同技术制备的两个平面气凝胶样本。我们发现，从$^3 $的正常阶段进行冷却时，两个样品中的超流体过渡都将变为相等的自旋配对超氟相位。该阶段的NMR性质定性地与各向异性Larkin-Imry-MA状态中超氟A相的性质一致。我们已经观察到在存在和不存在固体顺磁性$^3 $ HE的结果上获得的结果之间的差异。我们建议，这些差异至少部分归因于磁散射通道，该通道出现在存在固体顺磁性$^3 $ HE中。
We report results of experiments with liquid $^3$He confined in a high porosity anisotropic nanostructure which we call planar aerogel. This aerogel consists of nanofibers (with diameters $\sim10$ nm) which are randomly oriented in the plane normal to the specific axis. We used two samples of planar aerogel prepared using different techniques. We have found that on cooling from the normal phase of $^3$He the superfluid transition in both samples occurs into an equal spin pairing superfluid phase. NMR properties of this phase qualitatively agree with the properties of the superfluid A phase in the anisotropic Larkin-Imry-Ma state. We have observed differences between results obtained in the presence and absence of solid paramagnetic $^3$He on the aerogel strands. We propose that these differences may be due, at least in part, to a magnetic scattering channel which appears in the presence of solid paramagnetic $^3$He.
