Sensitive gravity-gradiometry with atom interferometry: progress towards an improved determination of the gravitational constant

被引：42

作者：

Sorrentino, F. ^{[1
,2
,5
]}

Lien, Y-H ^{[1
,2
]}

Rosi, G. ^{[1
,2
]}

Cacciapuoti, L. ^{[3
]}

Prevedelli, M. ^{[4
]}

Tino, G. M. ^{[1
,2
]}

机构：

[1] Univ Florence, INFN Sez Firenze, Dipartimento Fis & Astron, I-50019 Sesto Fiorentino, FI, Italy

[2] Univ Florence, INFN Sez Firenze, LENS, I-50019 Sesto Fiorentino, FI, Italy

[3] European Space Agcy, Res & Sci Support Dept, NL-2201 AZ Noordwijk, Netherlands

[4] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[5] Ist Cibernet CNR, I-80078 Pozzuoli, NA, Italy

来源：

NEW JOURNAL OF PHYSICS | 2010年 / 12卷

关键词：

FUNDAMENTAL PHYSICAL CONSTANTS; CODATA RECOMMENDED VALUES; NEWTONIAN CONSTANT; ACCELERATION; INTERFERENCE; SLOW;

D O I：

10.1088/1367-2630/12/9/095009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present here the current status of our high-sensitivity gravity-gradiometer based on atom interferometry. In our apparatus, two clouds of laser-cooled rubidium atoms are launched in a fountain configuration and simultaneously interrogated by a Raman-pulse interferometry sequence. The system has recently been upgraded and its stability re-evaluated. We also discuss the recent progress of the experiment towards a precise determination of the Newtonian gravitational constant G. The signal-to-noise ratio and the long-term stability of the gravity gradiometer demonstrated interesting perspectives for pushing the G measurement precision below the 100 ppm level.

引用

页数：17

共 20 条

[1] Sensitive absolute-gravity gradiometry using atom interferometry
McGuirk, JM
Foster, GT
Fixler, JB
Snadden, MJ
Kasevich, MA
[J]. PHYSICAL REVIEW A, 2002, 65 (03): : 1 - 14
[2] Atom interferometry gravity-gradiometer for the determination of the Newtonian gravitational constant G
A. Bertoldi
G. Lamporesi
L. Cacciapuoti
M. de Angelis
M. Fattori
T. Petelski
A. Peters
M. Prevedelli
J. Stuhler
G. M. Tino
[J]. The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics, 2006, 40 : 271 - 279
[3] Atom interferometry gravity-gradiometer for the determination of the Newtonian gravitational constant G
Bertoldi, A.
Lamporesi, G.
Cacciapuoti, L.
de Angelis, M.
Fattori, M.
Petelski, T.
Peters, A.
Prevedelli, M.
Stuhler, J.
Tino, G. M.
[J]. EUROPEAN PHYSICAL JOURNAL D, 2006, 40 (02): : 271 - 279
[4] Determination of the newtonian gravitational constant using atom interferometry
Lamporesi, G.
Bertoldi, A.
Cacciapuoti, L.
Prevedelli, M.
Tino, G. M.
[J]. PHYSICAL REVIEW LETTERS, 2008, 100 (05)
[5] Spaceborne Atom-Interferometry Gravity Gradiometry Design towards Future Satellite Gradiometric Missions
Zhu, Zhu
Liao, He
Tu, Haibo
Duan, Xiaochun
Zhao, Yanbin
[J]. AEROSPACE, 2022, 9 (05)
[6] Towards an atom interferometric determination of the Newtonian gravitational constant
Fattori, M
Lamporesi, G
Petelski, T
Stuhler, J
Tino, GM
[J]. PHYSICS LETTERS A, 2003, 318 (03) : 184 - 191
[7] Precision Measurement of the Gravitational Constant with Atom Interferometry
Tino, Guglielmo Maria
Rosi, Gabriele
Sorrentino, Fiodor
Prevedelli, Marco
Cacciapuoti, Luigi
[J]. 2013 JOINT EUROPEAN FREQUENCY AND TIME FORUM & INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (EFTF/IFC), 2013, : 593 - +
[8] Improved preconditioned conjugate gradient algorithm and application in 3D inversion of gravity-gradiometry data
Wang, Tai-Han
Huang, Da-Nian
Ma, Guo-Qing
Meng, Zhao-Hai
Li, Ye
[J]. APPLIED GEOPHYSICS, 2017, 14 (02) : 301 - 313
[9] Improved preconditioned conjugate gradient algorithm and application in 3D inversion of gravity-gradiometry data
Tai-Han Wang
Da-Nian Huang
Guo-Qing Ma
Zhao-Hai Meng
Ye Li
[J]. Applied Geophysics, 2017, 14 : 301 - 313
[10] MAGIA - using atom interferometry to determine the Newtonian gravitational constant
Stuhler, J
Fattori, M
Petelski, T
Tino, GM
[J]. JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS, 2003, 5 (02) : S75 - S81

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