Free Boundary of He II and Feynman Wave Functions

被引:43
作者
Regge, Tullio [1 ]
机构
[1] Inst Adv Study, Princeton, NJ 08540 USA
关键词
D O I
10.1007/BF00655491
中图分类号
O59 [应用物理学];
学科分类号
摘要
An extension of the standard hydrodynamical equations for superfluid helium at T = 0 is discussed. Its relation with Feynman wave functions and the wellknown Gross-Pitaevskii treatment is elucidated. Finally, a discussion of the free boundary of He II is carried out and the surface tension computed on the basis of a simple approximation scheme. The result is 0.56 dyne/cm against about 0.35 dyne/cm experimental value.
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页码:123 / 133
页数:11
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