Dual matter-wave inertial sensors in weightlessness

被引：160

作者：

Barrett, Brynle ^{[1
,2
]}

Antoni-Micollier, Laura ^{[1
,2
]}

Chichet, Laure ^{[1
,2
]}

Battelier, Baptiste ^{[1
,2
]}

Leveque, Thomas ^{[3
]}

Landragin, Arnaud ^{[4
]}

Bouyer, Philippe ^{[1
,2
]}

机构：

[1] CNRS, LP2N, IOGS, Rue Francois Mitterrand, F-33400 Talence, France

[2] Univ Bordeaux, Rue Francois Mitterrand, F-33400 Talence, France

[3] CNES, 18 Ave Edouard Belin, F-31400 Toulouse, France

[4] UPMC Univ Paris 06, LNE SYRTE, Observ Paris, PSL Res Univ,CNRS,Sorbonne Univ, 61 Ave Observ, F-75014 Paris, France

来源：

NATURE COMMUNICATIONS | 2016年 / 7卷

关键词：

ATOM INTERFEROMETERS; SENSITIVITY;

D O I：

10.1038/ncomms13786

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Quantum technology based on cold-atom interferometers is showing great promise for fields such as inertial sensing and fundamental physics. However, the finite free-fall time of the atoms limits the precision achievable on Earth, while in space interrogation times of many seconds will lead to unprecedented sensitivity. Here we realize simultaneous Rb-87-K-39 interferometers capable of operating in the weightless environment produced during parabolic flight. Large vibration levels (10(-2) g Hz(-1/2)), variations in acceleration (0-1.8 g) and rotation rates (5 degrees s(-1)) onboard the aircraft present significant challenges. We demonstrate the capability of our correlated quantum system by measuring the Eotvos parameter with systematic-limited uncertainties of 1.1-10(-3) and 3.0-10(-4) during standard-and microgravity, respectively. This constitutes a fundamental test of the equivalence principle using quantum sensors in a free-falling vehicle. Our results are applicable to inertial navigation, and can be extended to the trajectory of a satellite for future space missions.

引用

页数：9

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