Detection of the rotation of the earth with a superfluid gyrometer

被引：38
|
作者：
Avenel, O
Hakonen, P
Varoquaux, E
机构：
[1] UNIV PARIS 11,CNRS,PHYS SOLIDES LAB,F-91405 ORSAY,FRANCE
[2] HELSINKI UNIV TECHNOL,LOW TEMP LAB,FIN-02150 ESPOO,FINLAND
[3] UNIV CALIF LOS ANGELES,DEPT PHYS & ASTRON,LOS ANGELES,CA 90024
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.78.3602
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of the rotation of the Earth, Omega(+), on a superfluid resonator equipped with a 4.0 cm(2) rotation pickup loop and with a microaperture is reported. The velocity circulation induced in the loop by the rotation is detected by phase-slippage techniques. The magnitude of Omega(+) is measured to better than 1%, and the north direction to +/-0.5 degrees for a 10 h observation time. This experiment is the superfluid counterpart of interferometric measurements based on the Sagnac effect.
引用
收藏
页码：3602 / 3605
页数：4
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