Hydrostatic Theory of Superfluid 3He-B
Hydrostatic Theory of Superfluid 3He-B
复制标题
超流体3He-B的静水力学理论
DOI：
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
E. Thuneberg
中科院分区：
文献类型：
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作者：
E. Thuneberg
序参量织构的确定对于理解超流~ 3 He中的许多实验具有重要意义。除了回顾超流~ 3 He-B的织构理论外，我们还给出了几个新的结果，特别是关于Ginzburg-Landau区的表面参数和任意温度下的体参数。特别注意分离的结果是有效的，在所有温度下，从那些仅限于金斯堡-朗道地区。我们研究了一个简单的强耦合模型的有效性，其中弱耦合理论的能隙由温度相关因子缩放。我们比较了几个实验的理论。对于某些数量的理论似乎工作正常，我们提取的偶极-偶极相互作用参数的测量。
The determination of the texture of the order parameter is important for understanding many experiments in superfluid 3He. In addition to reviewing the theory of textures in superfluid 3He-B we give several new results, in particular on the surface parameters in the Ginzburg–Landau region and bulk parameters at arbitrary temperature. Special attention is paid to separate the results that are valid at all temperatures from those which are limited to the Ginzburg–Landau region. We study the validity of a trivial strong-coupling model, where the energy gap of the weak-coupling theory is scaled by a temperature dependent factor. We compare the theory with several experiments. For some quantities the theory seems to work fine and we extract the dipole–dipole interaction parameter from the measurements.