Ultra-low temperature magnetic properties of liquid 3He films

被引:38
作者
Bauerle, C [1 ]
Bunkov, YM [1 ]
Chen, AS [1 ]
Fisher, SN [1 ]
Godfrin, H [1 ]
机构
[1] CNRS, Ctr Rech Tres Basses Temp, F-38042 Grenoble 9, France
关键词
D O I
10.1023/A:1022540901706
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report measurements of the nuclear magnetization of submonolayer liquid He-3 films adsorbed on a graphite substrate (Papyex) preplated by a monolayer of He-4. In the submilliKelvin temperature range we observe a substantial enhancement of the nuclear magnetization with respect to the degenerate Fermi Liquid value. The unusual temperature dependence of this new contribution to the liquid 3He film magnetization agrees well with that expected from the theory of weal disorder in two-dimensional (2D) correlated Fermion systems. The effects of disorder and reduced dimensionality suppress the superfluid transition at least to below 180 mu K.
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页码:333 / 338
页数:6
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