Antimatter Interferometry for Gravity Measurements

被引：39
|
作者：
Hamilton, Paul [1 ]
Zhmoginov, Andrey [1 ]
Robicheaux, Francis [2 ]
Fajans, Joel [1 ,3 ]
Wurtele, Jonathan S. [1 ,3 ]
Mueller, Holger [1 ,3 ]
机构：
[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[2] Auburn Univ, Dept Phys, Auburn, AL 36849 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
来源：
PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 12期
基金：
美国国家航空航天局; 美国国家科学基金会;
关键词：
ATOM INTERFEROMETER; GRAVITATIONAL ACCELERATION; ANTIHYDROGEN; ANTIGRAVITY; HYDROGEN;
D O I：
10.1103/PhysRevLett.112.121102
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We describe a light-pulse atom interferometer that is suitable for any species of atom and even for electrons and protons as well as their antiparticles, in particular, for testing the Einstein equivalence principle with antihydrogen. The design obviates the need for resonant lasers through far-off resonant Bragg beam splitters and makes efficient use of scarce atoms by magnetic confinement and atom recycling. We expect to reach an initial accuracy of better than 1% for the acceleration of the free fall of antihydrogen, which can be improved to the part-per million level.
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页数：5
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