Magnetic Distortion of the B-like Phase of Superfluid 3He Confined in Aerogel
Magnetic Distortion of the B-like Phase of Superfluid 3He Confined in Aerogel
复制标题
气凝胶中超流体 3He 类 B 相的磁畸变
DOI:
10.1007/s10909-007-9573-9
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发表时间:
2007
影响因子:
2
通讯作者:
Bradley D
中科院分区:
文献类型:
--
作者:
Bradley D
We present measurements of the response of the B-like phase of superfluid3He in aerogel to an applied flow. The measurements are made using a cylindrical piece of 98% silica aerogel attached to a vibrating wire resonator. The resonator is immersed in superfluid3He at 16 bar pressure and at low temperatures. A variable magnetic field is applied such that the aerogel-confined superfluid may exist in the A-like or B-like phase, while the surrounding fluid is always in the bulk B-phase. The resonator response reveals a velocity dependence of the inferred aerogel-confined superfluid fraction. We discuss measurements of the temperature and magnetic field dependence of the response in the B-like phase. We find a significant field dependence indicating a strong magnetic distortion of the B-like phase order parameter.
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