Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor

K. S. Hardman; P. J. Everitt; G. D. McDonald; P. Manju; P. B. Wigley; M. A. Sooriyabandara; C. C.N. Kuhn; J. E. Debs; J. D. Close; N. P. Robins

doi:10.1103/PhysRevLett.117.138501

Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor

K. S. Hardman, P. J. Everitt, G. D. McDonald, P. Manju, P. B. Wigley, M. A. Sooriyabandara, C. C.N. Kuhn, J. E. Debs, J. D. Close, N. P. Robins

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Abstract

A Bose-Einstein condensate is used as an atomic source for a high precision sensor. A 5×106 atom F=1 spinor condensate of Rb87 is released into free fall for up to 750 ms and probed with a T=130 ms Mach-Zehnder atom interferometer based on Bragg transitions. The Bragg interferometer simultaneously addresses the three magnetic states |mf=1,0,-1«, facilitating a simultaneous measurement of the acceleration due to gravity with a 1000 run precision of Δg/g=1.45×10-9 and the magnetic field gradient to a precision of 120 pT/m.

Original language	English
Article number	138501
Journal	Physical Review Letters
Volume	117
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.117.138501
Publication status	Published - 21 Sept 2016

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Hardman, K. S., Everitt, P. J., McDonald, G. D., Manju, P., Wigley, P. B., Sooriyabandara, M. A., Kuhn, C. C. N., Debs, J. E., Close, J. D., & Robins, N. P. (2016). Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor. Physical Review Letters, 117(13), Article 138501. https://doi.org/10.1103/PhysRevLett.117.138501

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title = "Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor",

abstract = "A Bose-Einstein condensate is used as an atomic source for a high precision sensor. A 5×106 atom F=1 spinor condensate of Rb87 is released into free fall for up to 750 ms and probed with a T=130 ms Mach-Zehnder atom interferometer based on Bragg transitions. The Bragg interferometer simultaneously addresses the three magnetic states |mf=1,0,-1«, facilitating a simultaneous measurement of the acceleration due to gravity with a 1000 run precision of Δg/g=1.45×10-9 and the magnetic field gradient to a precision of 120 pT/m.",

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AU - Sooriyabandara, M. A.

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AU - Close, J. D.

AU - Robins, N. P.

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Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor

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