Tests of relativity using a cryogenic optical resonator -: art. no. 010401

被引：81
|
作者：
Braxmaier, C [1 ]
Müller, H
Pradl, O
Mlynek, J
Peters, A
Schiller, S
机构：
[1] Univ Konstanz, Fachbereich Phys, D-78457 Constance, Germany
[2] Univ Dusseldorf, Inst Expt Phys, D-40225 Dusseldorf, Germany
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.88.010401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A 190-day comparison of the optical frequencies defined by an optical cavity and a molecular electronic transition is analyzed for the velocity independence of the speed of light (Kennedy-Thorndike test) and the universality of the gravitational redshift. The modulation of the laboratory velocity and the gravitational potential were provided by Earth's orbital motion around the Sun. We find a velocity-dependence coefficient of (1.9 +/- 2.1) x 10(-5), 3 times lower compared to the best previous test. Alternatively, the data confirm the gravitational redshift for an electronic transition at the 4% level. Prospects for significant improvements of the tests are discussed.
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页数：4
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